ISOWEEKNUM (Date) ISOWEEKNUM (Date)

Date

Temporal Temporal

The date.

Returns

Number Number

The ISO week number of the given date, from 1 through 53.

Returns the ISO week number of the given date, from 1 through 53. Weeks begin on Mondays, and week number 1 is the first week of the year that contains a Thursday.

Examples

ISOWEEKNUM ( DATE (2008, 1, 1))
ISOWEEKNUM ( DATE (2008; 1; 1))

Returns 1.

ISOWEEKNUM ( DATE (2008, 12, 24))
ISOWEEKNUM ( DATE (2008; 12; 24))

Returns 52.

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