), because, as per PHP manual, date: Returns a string formatted according to the given format. You also need to call ->format('%d') where you're building the sql statement. DatePeriod::getRecurrences — Gets the number of recurrences. DateTime::createFromFormat () Parses a time string according to a specified format. Minutes or Seconds without a leading 0 PHP. Because the returned value is a DateInterval object, date_format() cannot be used to format the result. The format starts with the letter P, for "period. Function Name. date_diff produces a DateInterval type, which can't be used as a string - that's why you need to call ->format on it when you echo it. The setDate method will give the Date object an extra day. PHP DateTime formatting works but DateInterval formatting not working. This function is especially useful when you want to display dates and times in a specific format, or when you need to manipulate date and time values. While most of the previous answers will work fine for most cases, the established standard is to use DateTime objects for this instead, primarily due strtotime requiring careful manipulation of timezones and. 0, so if you're using a lower version of PHP,. Right now the code assume that both the server and the time in the XML. " Each duration period is represented by an integer value followed by a period designator. One thing to know is that the dates and times can be represented in three forms: a timestamp (i. There's more then one way to do this with DateTime which was introduced in PHP 5. The DateTime::add() function is an inbuilt function in PHP which is used to add an amount of time (days, months, years, hours, minutes and seconds) to the given DateTime object. 4. First of all, DateInterval constructor method takes one parameter named $interval_spec which is string. How can I get month Interval in php using DateInterval. Specifies the format. Below programs illustrate the DatePeriod::getDateInterval () function in PHP: Program 1: <?php. g 03)Catchable fatal error: Object of class DateInterval could not be converted to string in. I'm talking about two issues: (1) the number of days in the month which varies from months 1-12 as well as for month 2 which could be leap year (or not); and then issue (2): what if there is the need to specify a large. Part of PHP Collective. 3. Array ( [14] => Array // week ( [1] => 2013-04-01 [2] => 2013-04-02 [3] => 2013-04-03. Six years and five minutes is P6YT5M. Aye, the method, how you can fix this also simple, create an another DateTime object, modify to the first day, then create a new DateTime object from the. See DateInterval::format(). The format specifier is the same as supported by date, except when the filtered data is of type DateInterval, when the format must conform to DateInterval::format instead. For example, the user can sele. A DateInterval object is created with the parsing of a PHP duration by the constructor of the DateInterval class which also stores individual values within its properties. DateTimeInterface::diff — Returns the difference between two DateTime objects. Represents a date interval. this is the best and most complete answer. By using Format method . such as using a DateInterval object representing relative time specifications such as next weekday, a DateInvalidOperationException is thrown. This effectively makes the interval (14 + 2 + 1 = ) 17 days and 1 hour. Here's what you want with the help of this objects:format: This is a mandatory parameter that specifies the output date string format. Execute DateInterval::format Online. Even with DateInterval though you'll have to do some calculations, since it'll break down an interval into days and hours. 1. DateTime has several. Modified 8 years ago. 1. For example, Friday 12/5 + 3 business days = Wednesday 12/10. 0, PHP 7, PHP 8) DateInterval::format — Formats the interval Description ¶ public DateInterval::format ( string $format ): string Formats the interval. 点我分享笔记. I would like to convert it with to a readable sting using DateInterval::format. –(PHP 5 >= 5. Example. DateTime::sub — Subtrahiert eine Anzahl von Tagen, Monaten, Jahren, Stunden, Minuten und Sekunden von einem DateTime-Objekt. DateTime class how to deal with negative date interval. invert. PHP DateInterval create split second (microsecond or milisecond) interval. The DateInterval::format() method does not recalculate carry over points in time strings nor in date segments. This is what I need: is the current time/date in the recurring interval. DateTime::setTimestamp — Legt Datum und Zeit basierend auf einem Unix-Zeitstempel fest. There are three methods that can modify the value of a DateTime instance: add, sub and modify. PHP | date_create(), date_format(), date_add() Functions; PHP | date_create_from_format() Function; PHP | date_date_set() Function;. DateTime::setTimestamp() - Sets the date and time based on an Unix timestamp DateTimeImmutable::setTimestamp() - Sets the date and time based on a Unix timestamp DateTimeInterface::format() - Returns date formatted according to given format ＋add a. Converting seconds into period of time (PHP) 0. I may convert the values of hours, minutes and seconds to zeroes. How to create split second DateInterval in PHP? For example: 0. Data/Example: Today : 2013-07-16 12:37 Event Data : Start Date : 2012-04-03 12:30 Interval : 2 Interval Type : week. 8. 1, 7. Daylight Savings Time Bug (PHP < 8. Call to a member function add() on a non-object when trying to add to DateTime. Find centralized, trusted content and collaborate around the technologies you use most. f. DateTimeInterface::getOffset — Returns the timezone offset. DatePeriod is not compatible with negative intervals. For now I am using this code to find the diffeencePHP DateInterval. This does not allow for catching Date/Time exceptions as they are not specific enough. Twig seems not recongnize the "%l" format to display minutes with leading zero. 1. You have to create two DateTime (they can be any date and time), add your interval to the second and substract the first from the second. 4. f. get php DateInterval in total 'minutes' 3 PHP DateInterval create split second (microsecond or milisecond) interval. I've been deciding to get these values from datetime variable and subtract the time interval. 1. 1 second). Additionally the buildDate and releaseDate may be needed elsewhere in the code - such as being stored in a database, in other. Nota: . Don't manually build json docs, I can't imagine what you think json_encode() is for, but it's for building the entire object. Thank you for your answers I hope I'm not missing something stupid. Example if you need to display the time of 5 minutes and 2 seconds by showing a leading zero (05:02). It is a mandatory parameter which specifies the DateInterval object which we want to subtract. It also provides the static method, which accepts the input strings and sets up a DateInterval from the. I would like to calculate with PHP the start and end datetime of an event. PHP Collective Join the discussion. It sounds like the CLI php. (because we used the diff method of the DateTime class to generate the DateInterval object). DateInterval::format () - Formats the interval. . これは意図的な仕様です。. Adds the specified DateInterval object to the specified DateTime object. 2. 3, I suppose any such conversion function would know how many seconds are in a year, a month, a day, an hour, and a minute. Of those formats, only the relative ones. Find centralized, trusted content and collaborate around the technologies you use most. DateInterval::format() - Formatea el intervalo DateTime::add() - Añade una cantidad de días, meses, años, horas, minutos y segundos a un objeto DateTime DateTime::sub() - Sustrae una cantidad de días, meses, años, horas, minutos y segundos de un objeto DateTime ＋add a note(PHP 5 >= 5. The format is as follows: PnYnMnDTnHnMnS. Persisting Symfony DateIntervalType in doctrine and format it in twig. I need a method for adding "business days" in PHP. 3. The DateInterval::format method does not recalculate carry over points in time strings nor in date segments. For instance, to display the current date,. The DateInterval::format() method does not recalculate carry over points in time strings nor in date segments. 2012-04-03 is a Tuesday. Then look for February 31st. This should be used here and no detour via date, gmdate or DateTime should be taken. 0, PHP 7, PHP 8). The class seems stable and reliable, and the probability of depreciation seems low. The trickiest part is a user can create an event and have it repeat on selected days of the week ever x weeks. EDIT:I tried to add +2 hours to date function visualization in php (wordpress). 1. But PHP also has a sub() method that lets you take any length of time away from a date. $i = new DateInterval('P1D'); $i = DateInterval::createFromDateString('1 day'); $i = new. I'm trying to subtract 15 minutes from the current time. Create PHP DateInterval objects from floating point numbers for various date/time units. While, on the surface, echoing a date in the future brings a small bit of accomplishment, it can be quickly eradicated when one is tasked with. I've included examples for both DateTime and DateTimeImmutable as per the comment made, you don't need to assign the outcome of modify to a variable because it mutates the original object. 0. $date1=date_create ("2013-01-01"); $date2=date_create ("2013-02-10"); $diff=date_diff ($date1,$date2); // %a outputs the total number of days. If the duration contains time elements, that portion of the specification is preceded by the letter T . Specifies the format. PHP code demo Try this solution you can change from one month to another month (not year) and then check. 6 and 5. EDIT: After everyones suggestions i've tried setting this at the top of my php code: date_default_timezone_set("GMT"); and I tried using date('Y-m-d H:i:s') to do the comparison to figure out the diff, but its saying "3 hours ago" rather than the 10 hours from now. Using the date() Function. PHP: date_interval_format - Manual. This function was first introduced in PHP Version 5. Since version 4. To expand on the solution provided by Dave and the solution provided by Guss. Start "P" when contain Day, Month and YearPHP uses a different php. 123456 sec? interval_spec of DateInterval::__construct. I assumed you were starting with user input that you would use to create the DateInterval. Method compare makes a value comparison. Out of scope of this RFC is changing and improving. the number of seconds of the number of chosen weeks minus the first week and the current week. First up, a recipe to get the current date and time:Introduction. Example #1 Parsing valid date intervals <?php // Each set of intervals is equal. 1 Answer. Part 1: Why is the result 6? The dates are simply strings when you first subtract them. ＋ add. 1. Just an example to include the end date using the DateTime method 'modify'echo "<br>". Esto se debe en gran medida a la cantidad de operaciones que puedes hacer con ellas y la cantidad diferente de. Times are done. See Also. Asking for help, clarification, or responding to other answers. . Return time difference as integer. Datetime format as string not object-2. Specify the format. Specify the format. When using the ISO 8601 duration format, T is the time designator that precedes the time components as explained here. net's page about DateInterval::__construct(), you cannot directly create negative DateIntervals through the constructor: new DateInterval('-P1Y'); // Exception "Unknown or bad format (-P1Y)" Two things to note here are the use of W and D together, and that the number of hours in the interval is above 24. DateTimeImmutable::add() - Returns a new object, with added amount of days, months, years, hours, minutes and seconds DateTimeImmutable::diff() - Returns the difference between two DateTime objects DateTimeImmutable::modify() - Creates a new object with modified timestamp ＋add a noteDateInterval::format() with "%F" sometimes shows incorrect value by 1us: Submitted: 2017-04-01 01:35 UTC: Modified: 2020-09-01 12:48 UTC: Votes: 1: Avg. MySQL datetime: The DATETIME type is used for values that contain both date and time parts. 4. Otherwise, days will be FALSE. I've tried playing around with DateInterval but I've not had much luck. Syntax: DateInterval DatePeriod::getDateInterval ( void ) Parameters: This function does not accept any parameters. 日付文字列で生成. Here's an example:--TEST-- DateInterval::format() with timezone, except %a --DESCRIPTION-- %a is covered in a separate test. H: 24-hour format of an hour with leading zeros 00 through 23. 2. PHP Date DateInterval::format ( string $format ) Each char must be prefixed by a percent sign (%) How a date interval is represented Example 1 $interval=new DateInterval. The above code will output: 1837 days total 5 years 0 months 10 days 6 hours 14 minutes. The DateInterval::format() method does not recalculate carry over points in time strings nor in date segments. 31 years, 6 months, 14 days Code language: PHP (php) Check out all the DateInterval format parameters. Some of the options are: d - The day of the month in the range of 01 to 31;. This article does that, replacing as much as possible the principles and examples of the original article on a 1:1 basis. My code to add one day to a date returns a date before day adding: 2009-09-30 20:24:00 date after adding one day SHOULD be rolled over to the next month: 1970-01-01 17:33:29 <?php //add d. PHP date interval - wrong month difference. 0 이후 지원되는 은 다른 언어들과 비교하면 아직 모자란 부분이 많이 있지만 그래도 쓸… Get the current date and time. G should be the same, but without leading zeroes though. The date filter accepts strings (it must be in a format supported by the strtotime function), DateTime instances, or DateInterval instances. Before PHP 5. 20/5. Example: 2017-05-23 (tu) 2017-05-24 (we) 2017-06-06 (tu)Learn how to generate date or time ranges with the help of DatePeriod class. 3. Score:. DateTime::createFromFormat — Parses a time string according to a specified format. 4 instead of FALSE you will receive -99999 upon accessing the property. The DateInterval::format() method does not recalculate carry over points in time strings nor in date segments. If you can't use 5. 3 is the norm. 3's DateInterval supports this. Date/Time Arithmetic. This is expected because it is not possible to overflow values like "32. DateTime::add () - Adds an amount of days, months, years, hours, minutes and seconds to a DateTime object. This question is in a collective: a subcommunity defined. « date_interval_create_from_date_string. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. 2. I have released it under the MIT license, so feel free to build on top of it or use it in your own project. 0, PHP 7, PHP 8) The DateInterval helps in storing a fixed time interval. Two methods we are going to described in this post. PHP Collective Join the discussion This question is in a collective: a subcommunity defined by tags with relevant content and experts. here is my code so far (does. Why does date object diff on month reset to 0 after 12 months?Create a Seconds-Only PHP DateInterval by Leonel Elimpe. Collectives™ on Stack Overflow – Centralized & trusted content around the technologies you use the most. date_interval_format() 関数は、DateInterval::format() のエイリアスです。 DateInterval::format() 関数は、間隔をフォーマットするために使用されます。DateInterval::format (PHP 5 >= 5. PHP DateInterval format minutes and seconds with leading zero. Learn more about CollectivesHow do I get current date/time on the Windows command line in a suitable format for usage in a file/folder name? 1 Find dates between 2 dates with custom interval and without overflow172 1 5. Datetime format as string not object-2. echo date('Y-m-d', strtotime("+30 days")); strtotime. Example if you need to display the time of 5 minutes and 2 seconds by showing a leading zero (05:02). I always like to drop in some sort of timezone declaration to make things definitive. No exception this time. How to validate dates without leading zero on day and month? 1. Otherwise, days will be FALSE. When doing difference between DateTimeInterface objects, DateInterval object will be returned. Adding an interval to a DateTime object. php Object of class DateInterval could not be converted to string. PHP date interval format() Function - The date_interval_format() function is an alias of DateInterval::format(). ini may be pointing to something incorrect. I believe this involves converting the string to a date object. Both methods belong to DateTime object itself. I think I'm pretty near to what I want, but for me there is always a full day missing. See the example below, where we are adding an interval of 7 days and printing a message on the screen:@niceman Nope, date_diff doesn't work (date_diff() expects parameter 1 to be DateTimeInterface, object given) and date_create() doesnt works too (not accepting normal nor formated dates of type DateInterval)PHP DateInterval: Diff between same date in two different months is not one month. If a DateInterval object was returned, you can check the 'invert' property to see if the second date is before the first date or not. date() date_add(). The DateInterval Class. Before PHP 5. strtotime produces a Unix timestamp as an integer which is helpful if you are for example sorting dates in php. I'm trying to create a simple function which returns me a date with a certain number of subtracted days from now, so something like this but I dont know the date classes well:What is the simplest way to get the difference in days between two PHP DateTimes, considering midnight as a day change (just like the DATEDIFF(DAY) SQL function does)?. Below programs illustrate the. I'm trying to get all the Tuesdays and Wednesdays of every two weeks. PHP Date/Time Reference. This is expected because it is not possible to overflow values like "32 days" which could be interpreted as anything from "1. 1. The string representation of the interval must follow a specific format. Two seconds is PT2S. DateTimeInterface::format — Returns date formatted according to given format. I suspect that your PHP is set to a different timezone than +0800. Example #1 Parsing valid date intervals <?php // Each set of intervals is equal. The reason why you have the issue is simply that DateTime and DateInterval have different format types, DateInterval indeed requires to escape with a %-sign all the formatting symbols while DateTime uses the same format styles as date function. 5. Source code on GitHub Gist. Stack Overflow | The World’s Largest Online Community for DevelopersRegarding PHP 5. Each format character must be prefixed by a percent sign (%). The following characters are recognized in the format parameter string. As commented by @Álvaro González on my other answer that objects in many languages behave some what different than what we think when passing objects between different variables. In this summary of PHP Add Days To Datetime, We’ve only talked about the add() method, which is used to add something like days or years to a PHP date. Indeed 22-09-2008 will be parsed as 22 September 2008, as it is the only reasonable thing. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brand ; Advertising Reach developers & technologists worldwide; Labs The future of collective knowledge sharing; About the companyNote you don't need DateInterval, as DateTime (like strtotime()) takes relative phrases as an argument, so you can just do something like new DateTime('+15 minutes'); – Alex Howansky Nov 2, 2022 at 15:39Let's say I have a date in the following format: 2010-12-11 (year-mon-day) With PHP, I want to increment the date by one month, and I want the year to be automatically incremented, if necessary (i. DateInterval in PHP. PHP - DateTime->add not working. Adding any minutes to a given time is very similar to adding any days to a given date. We will begin with an overview of DateInterval and then move on to actual addition. So, if I read correctly the PHP documentation I must. Collectives™ on Stack Overflow. If the DateInterval object was created by DateTime::diff(), then this is the total number of days between the start and end dates. For procedural style only: A DateInterval object. 3. Syntax:PHP Collective Join the discussion This question is in a collective: a subcommunity defined by tags with relevant content and experts. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. You can add a comment by following this link or if you reported this bug, you can edit this bug over here. PHP Collective Join the discussion This question is in a collective: a subcommunity defined by tags with relevant content and experts. The code can be made shorter if you desire. The DateInterval object represents the difference between the two dates. The DateInterval::format () method does not recalculate carry over points in time strings nor in date segments. Be aware that strtotime can sometimes get the timestamp wrong, if a slightly unconventional format is used. The function expects to be given a string containing an English date format and will try to parse that format into a Unix timestamp (the number of seconds since January 1 1970 00:00:00 UTC), relative to the timestamp given in now, or the current time if now is not supplied. This is expected because it is not possible to overflow values like "32 days" which could be interpreted as anything from "1. This article demonstrates how to calculate the day difference between two dates in PHP. 1. 0, PHP 7, PHP 8) DateInterval::createFromDateString — Establece un objeto DateInterval desde las. A workaround to add the T portion of the duration of the ISO 8601 standard and not need to default as P0M, is to insert 2 additional checks after the P0Y replaced by Y. To use an ISO-8601 format string like P7D , you must use the constructor. Zusammenfassung. In this example, the difference between two dates is divided into years, months, and days as part of the PHP calculate days between two dates mechanism. DateTime::setTime — Legt die Uhrzeit fest. What about 2008-09-50?Some versions of PHP parse this as. The output when running the above code in PHP 8. date_isodate_set ». this would be really straightforward if it was limited to days or hours - but it needs to support months, which can have variable lengths. ShareWell, since format() is really there to let you specify the output format, the format string isn't optional. An Introduction to the PHP DateInterval Class. For example, considering you are in 2023-03-30, than the result would be 2023-02. Extract from the PHP dateinterval format documentation below. DateInterval::__construct ( string $interval_spec ) This parameter has a specification described as below: The format starts with the letter P, for period. Out of scope of this RFC is changing and improving. 1 second to reach the fist second of the current week. $i = new DateInterval('P1D'); $i = DateInterval::createFromDateString('1 day'); $i = new DateInterval('P2W'); $i = DateInterval::createFromDateString('2 weeks'); $i = new DateInterval('P3M'); $i = DateInterval::createFromDateString('3 months'); Specifically, the relative formats supported by the parser used for DateTimeImmutable, DateTime, and strtotime() will be used to construct the DateInterval. Also note that I didnt say your question was invalid or inaccurate (since you stress that). 2 から追加された DateTime クラスの2種類が存在します。. Learn PHP - Add or Subtract Date Intervals. You can also use PHP’s DateTime object to subtract hours from a given date and time. It is probably not a very portable solution, but it seems to be working just fine in php 5. But still not correct. You can't. Just to expand on previous answers, a function to do this could work like this (changing the time and interval formats however you like them according to this for function. PHP DateInterval not returning last day of the month. If I chose 05 Aug 2015 as start date and 17 Oct 2015 as end date, then my array output should be divided in 3 arrays: 1st array for 05 Aug 2015 - 31 Aug 2015; 2nd array for 01 Sept 2015 - 30 Sept 2015; 3rd array for 01 Oct 2015 - 17 Oct 2015; We can achieve this thing by php DateInterval. publicstringDateInterval::format( string$format) Formats the interval. PHP DateTime Interval errors. 1. If the DateInterval object was created by DateTime::diff(), then this is the total number of days between the start and end dates. Creating. Why does the 1st DateInterval Object return the value as [d] => 222 and the 2nd DateInterval Object as [days] => 62? What needs to be changed in order for the "222" to appear in the "[days]" tag? phpYou can then use the date Twig filter to format the DateInterval in the view. Collectives™ on Stack Overflow – Centralized & trusted content around the technologies you use the most. Stack Overflow. More specifically, the information in an object of the DateInterval class is an instruction to get from one date/time to another date/time. DateInterval::format (PHP 5 >= 5. My suggestion is to separated the variable not copy from the origin. 1. In order to compare those two dates we use the method diff() of the first. 2. A date interval stores either a fixed amount of time (in years, months, days, hours etc) or a relative time string in the format that DateTime 's constructor supports. Ver también. Adding and Subtracting Dates and Times . Una de las cosas que más quebraderos de cabeza puede dar cuando estás desarrollando es trabajar con fechas. The format you can use on DateInterval. Stack Overflow help chat. NOTE: This approach does not work for intervals less than a day with time-zones that recognize DST, due to a known issue with dates and the DST hour changes. PHP DateInterval format minutes and seconds with leading zero. format character Description Example values % Literal % % Y: Years, numeric, at least 2 digits with leading 0: 01, 03: y: Years, numeric: 1, 3: M: Months, numeric, at least 2 digits with leading 0: 01, 03, 12: m. DateTime will return itself or false on failure for every method call. The DateInterval::format() method does not recalculate carry over points in time strings nor in date segments. You don't need to pass time() to strtotime, as it is the default. I used a new DateTime in the example to demonstrate the point, but for now assume DateTime is returned from some opaque API that I can't just call over again. current community. PHP TWIG date(H:i:s) from seconds. The PHP date() function is used to format a timestamp or a date. DateInterval::format(format); Parameter Description; format: Required. Format DateInterval as ISO8601. In the Format method, we can convert the DateTime object to a string. Calculate months between two dates using DateInterval without wrapping within a year. Info and examples on DateInterval::format PHP Function from Date and Time - Date and Time Related Extensions. interval 1: 03:05 interval 2: 05:00 Total interval : 08:05 Instead you need to create a new DateTime object, then use the add function to add the intervals and finally display the difference to the reference point:See DateInterval::format(). You can use '%d' to get the days but it will also return 0 in the case of new \DateInterval('P1Y') as it does not convert years to days. The first iteration of the loop runs, but the second returns this error: PHP Fatal error: Call to a member function format() on a non-object . Find centralized, trusted content and collaborate around the technologies you use most. PHP DateInterval - 30 examples found. Calculate total seconds in PHP DateInterval. The format starts with the letter P, for "period. DateInterval::invert will be 1 if the second date is before the first date, and 0 if the the second date is on or after the first date. First of all, DateInterval constructor method takes one parameter named $interval_spec which is string. One easy way to get the number of days is to create a DateTime at zero time, add the interval to it, and then get the resulting timestamp: Properties recurrences. So "5 minutes" instead of " 0 hours, 5 minutes"For now I don't care about timezones and just want to have a correct calculated value of how many days are between two dates. One of the key-points of PHP 5 OOP that is often. Provide details and share your research! But avoid. PHP has no operator overloading* so + with objects makes PHP trying it to convert them to string first, but DateInterval does not support that: interval 1: 03:05 interval 2: 05:00 Total interval : 08:05 See DateInterval::format(). If the DateInterval object was created by DateTime::diff(), then this is the total number of days between the start and end dates. @ibnɘꟻ I'm aware of it, but the ->format() gives you the ability to globally store the string format in config. When I run your code I get the result 2017-10-25 12:22:23. mktime alternative. DatePeriod::getRecurrences — Gets the number of recurrences. 2. PHP check for not > 0. The DateInterval::format() function can be used for formatting using the characters below. I get the start of this event and the duration to add to get the end. However, the days property of the DateInterval object seems to be broken in the current PHP5. 3. 定義と使用法. I would like to calculate with PHP the start and end datetime of an event. I have got two arrows set up, click for next day, next two days, soon and previous day, two days ago, soon. Changelog. The DateInterval object, returned by date_diff stores each period of time separately, seconds, minutes, hours, days, months and years. Strictly it's doing the right thing, since your interval spec string. e. If the DateInterval object was created by DateTimeImmutable::diff () or DateTime::diff (), then this is the total number of full days between the start and end dates. Diego Ferri. Even if today is Monday. Learn more about CollectivesSo it's pretty simple. echo $diff->format ("Total number of days: %a. Returns 05/07/2016 If the input date is going to be in mysql, you can perform this function on mysql directly, like this. This is expected because it is not possible to overflow values like "32 days" which could be interpreted as anything from "1 month and 4 days" to "1 month and 1 day" .