NOW DAX Function (Date and Time) Volatile
Returns the current date and time in datetime format.
Syntax
NOW ( )
This expression has no parameters.
Return values
Scalar A single datetime value.
Current date and time.
Remarks
The result of the NOW function changes only when the column that contains the formula is refreshed. It is not updated continuously.
The TODAY function returns the same date but is not precise with regard to time; the time returned is always 12:00:00 AM and only the date is updated.
Examples
-- TODAY returns today, as a date. NOW also includes the time
-- UTCTODAY and UTCNOW return today using UTC standard.
-- The timezone is the timezone of the server running DAX, your
-- PC when executed in Power BI Desktop.
--
-- The Power BI Service alwyas uses UTC.
-- Therefore, no daylight saving applies.
--
-- Keep in mind that DAX.do caches query results, so you will not see
-- an updated result if you try this query without making any change.
EVALUATE
{
( "TODAY", TODAY () ),
( "UTCTODAY", UTCTODAY () ),
( "NOW", NOW () ),
( "UTC NOW", UTCNOW () )
}
| Value1 | Value2 |
|---|---|
| TODAY | 2021-02-26 00:00:00 |
| UTCTODAY | 2021-02-26 00:00:00 |
| NOW | 2021-02-26 10:31:35.75 |
| UTC NOW | 2021-02-26 10:31:35.75 |
-- Compute the difference in days and hours between
-- current time zone and UTC.
--
-- Keep in mind that DAX.do caches query results, so you will not see
-- an updated result if you try this query without making any change.
EVALUATE
VAR DaysFromUTC = INT ( TODAY () - UTCTODAY () )
VAR HoursFromUTC = ( NOW () - UTCNOW () ) * 24
RETURN
{
( "Days from UTC: ", DaysFromUTC ),
( "Hours from UTC: ", HoursFromUTC)
}
Related functions
Other related functions are:
Last update: Nov 14, 2024 » Contribute » Show contributors
Contributors: Alberto Ferrari, Marco Russo
Microsoft documentation: https://docs.microsoft.com/en-us/dax/now-function-dax
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