That gives the day of the week in range 0 .. 6 with sunday as day 0. Week of of the month isn't available in strftime().

DateTime has a week_of_month method, which is defined as

The first week of the month is the first week that contains a Thursday. This is based on the ICU definition of week of month, and correlates to the ISO8601 week of year definition. A day in the week before the week with the first Thursday will be week 0.

But I can't guess if that's the definition the OP wants.

"What should it profit a man, if he should win a flame war, yet lose his cool?"

In reply to Re^2: How to find week of the month? by Joost
in thread How to find week of the month? by Anonymous Monk

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