Example: Querying for the Number of Weeks from the Beginning of the Calendar - Analytics Database - Teradata Vantage

If the current date is January 10, 1901, the following queries return the value 53 as the result since January 10, 1901 falls on the 53rd week since January 01, 1900.

SELECT td_week_of_calendar(CURRENT_DATE);
SELECT td_week_of_calendar(DATE '1901-01-10');