The ISO week number for any date, with the day of the year and the quarter.
Uses ISO 8601: week 1 is the week containing the first Thursday of the year, which is why 1 January is sometimes in week 52 or 53 of the previous year.
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The ISO week number for any date, with the day of the year and the quarter.
Uses ISO 8601: week 1 is the week containing the first Thursday of the year, which is why 1 January is sometimes in week 52 or 53 of the previous year.