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

126,552 days

From Tuesday, March 12, 1680 to Monday, September 7, 2026.

Monday–Friday weekdays90,394
Weeks and days18,078w 6d
Calendar span346 years, 5 months, 26 days

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