Find how many calendar weeks a month spans and its length.
The month is measured from the Monday on or before its first day to its last day, revealing how many week rows it occupies. Planning calendars, rosters and payouts around weekly cycles needs to know how many week blocks a month covers.
Calendar Weeks
Weeks spanned = (last day - first Monday on or before the 1st) / 7 + 1
Weeks spanned = (last day - first Monday on or before the 1st) / 7 + 1 The month is measured from the Monday on or before its first day to its last day, revealing how many week rows it occupies.
Planning calendars, rosters and payouts around weekly cycles needs to know how many week blocks a month covers.
This calculator takes 2 inputs: Year, Month. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.