Syntax
ISOWeekNum(DateTime)Examples
ISOWeekNum(Date(2026, 10, 23))43
ISOWeekNum
Returns the ISO 8601 week number of a date (weeks start on Monday).
Returns the ISO 8601 week number of a date (weeks start on Monday).
ISOWeekNum(DateTime)ISOWeekNum(Date(2026, 10, 23))43