Date-to-date calculator

Days between dates

Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.

Excluding the start date

209,834 days

From Monday, March 8, 1452 to Wednesday, September 9, 2026.

Monday–Friday weekdays149,882
Weeks and days29,976w 2d
Calendar span574 years, 6 months, 1 day

Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.