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

129,595 days

From Thursday, November 12, 1671 to Monday, September 7, 2026.

Monday–Friday weekdays92,567
Weeks and days18,513w 4d
Calendar span354 years, 9 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.