Below is a complete list of the user defined functions available in AutoIt. Click on a user defined function name for a detailed description.
When using them you need to add a #include <Date.au3>.
| User Defined Function | Description |
|---|---|
| _Date_Time_CompareFileTime | Compares two file times |
| _Date_Time_DOSDateTimeToArray | Decode a DOS date/time to an array |
| _Date_Time_DOSDateTimeToFileTime | Converts MS-DOS date and time values to a file time |
| _Date_Time_DOSDateTimeToStr | Decode a DOS date to a string |
| _Date_Time_DOSDateToArray | Decode a DOS date to an array |
| _Date_Time_DOSDateToStr | Decode a DOS date to a string |
| _Date_Time_DOSTimeToArray | Decode a DOS time to an array |
| _Date_Time_DOSTimeToStr | Decode a DOS time to a string |
| _Date_Time_EncodeFileTime | Encodes and returns a $tagFILETIME structure |
| _Date_Time_EncodeSystemTime | Encodes and returns a $tagSYSTEMTIME structure |
| _Date_Time_FileTimeToArray | Decode a file time to an array |
| _Date_Time_FileTimeToDOSDateTime | Converts MS-DOS date and time values to a file time |
| _Date_Time_FileTimeToLocalFileTime | Converts a file time based on the Coordinated Universal Time to a local file time |
| _Date_Time_FileTimeToStr | Decode a file time to a date/time string |
| _Date_Time_FileTimeToSystemTime | Converts a file time to system time format |
| _Date_Time_GetFileTime | Retrieves the date and time that a file was created, accessed and modified |
| _Date_Time_GetLocalTime | Retrieves the current local date and time |
| _Date_Time_GetSystemTime | Retrieves the current system date and time expressed in UTC |
| _Date_Time_GetSystemTimeAdjustment | Determines whether the system is applying periodic time adjustments |
| _Date_Time_GetSystemTimeAsFileTime | Retrieves the current system date and time expressed in UTC |
| _Date_Time_GetSystemTimes | Retrieves system timing information |
| _Date_Time_GetTickCount | Retrieves the number of milliseconds that have elapsed since Windows was started |
| _Date_Time_GetTimeZoneInformation | Retrieves the current time zone settings |
| _Date_Time_LocalFileTimeToFileTime | Converts a local file time to a file time based on UTC |
| _Date_Time_SetFileTime | Sets the date and time that a file was created, accessed and modified |
| _Date_Time_SetLocalTime | Sets the current local date and time |
| _Date_Time_SetSystemTime | Sets the current system time and date, expressed in UTC |
| _Date_Time_SetSystemTimeAdjustment | Enables or disables periodic time adjustments to the system's time of day clock |
| _Date_Time_SetTimeZoneInformation | Sets the current time zone settings |
| _Date_Time_SystemTimeToArray | Decode a system time to an array |
| _Date_Time_SystemTimeToDateStr | Decode a system time to a date string |
| _Date_Time_SystemTimeToDateTimeStr | Decode a system time to a date/time string |
| _Date_Time_SystemTimeToFileTime | Converts a system time to file time format |
| _Date_Time_SystemTimeToTimeStr | Decode a system time to a time string |
| _Date_Time_SystemTimeToTzSpecificLocalTime | Converts a UTC time to a specified time zone's corresponding local time |
| _Date_Time_TzSpecificLocalTimeToSystemTime | Converts a local time to a time in UTC |
| _DateAdd | Calculates a new date/time by adding/subtracting a specified number of time intervals from an initial date/time |
| _DateDayOfWeek | Returns the name of the weekday, based on the specified day |
| _DateDaysInMonth | Returns the number of days in a month, based on the specified month and year |
| _DateDiff | Returns the difference between 2 dates, expressed in the type requested |
| _DateIsLeapYear | Checks a given year to see if it is a leap year |
| _DateIsValid | Checks the given date to determine if it is a valid date |
| _DateTimeFormat | Returns the date in the PC's regional settings format |
| _DateTimeSplit | Split a string containing Date and Time into two separate Arrays |
| _DateToDayOfWeek | Returns the weekday number for a given date |
| _DateToDayOfWeekISO | Returns the ISO weekday number for a given date |
| _DateToDayValue | Returns the day number since noon 4713 BC January 1 for a given Gregorian date |
| _DateToMonth | Returns the name of the month, based on the specified month |
| _DayValueToDate | Add the given days since noon 4713 BC January 1 and returns the Gregorian date |
| _Now | Returns the current Date and Time in PC's format |
| _NowCalc | Returns the current Date and Time in format YYYY/MM/DD HH:MM:SS for use in date calculations |
| _NowCalcDate | Returns the current Date in format YYYY/MM/DD |
| _NowDate | Returns the current Date in the Pc's format |
| _NowTime | Returns the current Time in the requested format |
| _SetDate | Sets the current date of the system |
| _SetTime | Sets the current time of the system |
| _TicksToTime | Converts the specified tick amount to hours, minutes and seconds |
| _TimeToTicks | Converts the specified hours, minutes, and seconds to ticks |
| _WeekNumberISO | Calculate the weeknumber of a given date |