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

129,592 days

From Sunday, November 15, 1671 to Monday, September 7, 2026.

Monday–Friday weekdays92,566
Weeks and days18,513w 1d
Calendar span354 years, 9 months, 23 days

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