How it counts
months = whole calendar months from start to endcounted by the calendar, not a fixed 30 days
- start date
- the earlier date
- end date
- the later date
- months
- complete calendar months between them
A partial month past the last whole one is not counted in the months figure; check the total days for the remainder.
Frequently asked questions
How do you count months between two dates?
By complete calendar months: each time the same day number comes round is one month.
Does it round part-months up?
No. It counts whole months and shows the leftover in total days.
How many months is 90 days?
About 3 calendar months, though the exact count depends on which months the range covers.
Are leap years handled?
Yes, the count follows the real calendar.