week_of_year

The week_of_year function returns an integer representing the week number. The week number is calculated from the first week of a year, which is the one that includes the first Thursday, according to ISO 8601.

Syntax

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    week_of_year( Datetime )

Arguments

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• Datetime: A datetime.

Returns

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The week number of the given year.

Examples

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This example returns 53:

print week_of_year( datetime(2020-12-31) )

This example returns 1:

print week_of_year( datetime(1970-01-01) )