Dear,
I learned how to build a calendar table by using the following formula:
Date =
ADDCOLUMNS (
CALENDAR (DATE(2000;1;1); DATE(2025;12;31))
But it only returns date by date.
I want to build a more detailed date&time table, with 24 hours showed in this table,like the following picture, is there a way to do it in powerbi? Thanks!
Hi @Yin,
Based on my test, you should be able to use the formula below to create a calendar table with date and time. 
DateTime =
ADDCOLUMNS (
CROSSJOIN (
CALENDAR ( DATE ( 2000, 1, 1 ), DATE ( 2025, 12, 31 ) ),
UNION (
ROW ( "Time", TIME ( 1, 0, 0 ) ),
ROW ( "Time", TIME ( 2, 0, 0 ) ),
ROW ( "Time", TIME ( 3, 0, 0 ) ),
ROW ( "Time", TIME ( 4, 0, 0 ) ),
ROW ( "Time", TIME ( 5, 0, 0 ) ),
ROW ( "Time", TIME ( 6, 0, 0 ) ),
ROW ( "Time", TIME ( 7, 0, 0 ) ),
ROW ( "Time", TIME ( 9, 0, 0 ) ),
ROW ( "Time", TIME ( 10, 0, 0 ) ),
ROW ( "Time", TIME ( 11, 0, 0 ) ),
ROW ( "Time", TIME ( 12, 0, 0 ) ),
ROW ( "Time", TIME ( 13, 0, 0 ) ),
ROW ( "Time", TIME ( 14, 0, 0 ) ),
ROW ( "Time", TIME ( 15, 0, 0 ) ),
ROW ( "Time", TIME ( 16, 0, 0 ) ),
ROW ( "Time", TIME ( 17, 0, 0 ) ),
ROW ( "Time", TIME ( 18, 0, 0 ) ),
ROW ( "Time", TIME ( 19, 0, 0 ) ),
ROW ( "Time", TIME ( 20, 0, 0 ) ),
ROW ( "Time", TIME ( 21, 0, 0 ) ),
ROW ( "Time", TIME ( 22, 0, 0 ) ),
ROW ( "Time", TIME ( 23, 0, 0 ) ),
ROW ( "Time", TIME ( 24, 0, 0 ) )
)
),
"DateTime", [Date] + [Time],
"Hour", HOUR ( [Time] )
)
Note: after the table is created, Date and Time column will be formatted as Date/Time type, so you will need to change the Date column to Date type and Time column to Time type.
Regards
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