Compute year and week [1..53] from t. The ISO 8601 week 1 is the first week of the year that includes January 4. Monday is the first day of the week. References: ISO 8601 (Wikipedia)
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Compute year and week [1..53] from t. The ISO 8601 week 1 is the first week of the year that includes January 4. Monday is the first day of the week. References: ISO 8601 (Wikipedia)