The "weekday" modifier advances the date forward, if necessary, to the next date where the weekday is N. An optional culture may also be provided for example, "en-US". The "start of" modifiers 7 through 9 shift the date backwards to the beginning of the current month, year or day.
This function returns NULL if the arguments are invalid. FromText for details.
Functions that take temporal arguments accept values with fractional seconds. Return values from temporal functions include fractional seconds as appropriate.
If the given value is null, Date. Functions that extract parts dae dates typically work with incomplete dates and thus can return 0 when you might otherwise expect a nonzero value.
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This means that multiple references to a function such as Dtae within a single query always produce the same result. The 's' character at the end of the modifier names is optional. If "localtime" follows a time that is not UTC, then the behavior is undefined.
Example 1 Convert to a date value. From If the date is already on the rate weekday, the "weekday" modifier leaves the date unchanged. The "localtime" modifier 12 assumes the time string to its left is in Universal Coordinated Time UTC and adjusts the time string so that it displays localtime.
These include functions that perform date arithmetic or that map parts of dates to names. Functions that expect time values usually accept datetime values and ignore the date part. From value as any, optional culture as nullable text as nullable date About Returns a date value from the given value. If the given value is date, value is returned.
Date and time functions
Sunday is 0, Monday is 1, and so forth. Functions that return the current date or time each are evaluated only once per query at the start of query execution. If the ocm string is not in localtime, then the result of "utc" is undefined.
See Date. The "utc" modifier is the opposite of "localtime".
For SQLite versions before 3. Values of the following types can be converted to a date value: text: A date value from textual representation. Functions that expect date values usually accept datetime values and ignore the time part. If value is of any other type, an error is returned. For our purposes, a single query also includes a call to a stored program stored routine, trigger, or event and all subprograms called by that program.
From returns null.