dayofweek()

Applies to: ✅ Azure Data Explorer ✅ Azure Monitor ✅ Microsoft Sentinel

Returns the number of days since the preceding Sunday, as a timespan.

To convert timespan to int, see Convert timespan to integer.

dayofweek(date)

Learn more about syntax conventions.

The timespan since midnight at the beginning of the preceding Sunday, rounded down to an integer number of days.

The following example returns 0, indicating that the specified datetime is a Sunday.

print
Timespan = dayofweek(datetime(1947-11-30 10:00:05))

Output

The following example returns 1, indicating that the specified datetime is a Monday.

print
Timespan = dayofweek(datetime(1970-05-11))

Output

The following example returns the number of days both as a timespan and as data type int.

let dow=dayofweek(datetime(1970-5-12));
print Timespan = dow, Integer = toint(dow/1d)

Output

The timespan data type