Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
137,595 days
From Friday, December 17, 1649 to Monday, September 7, 2026.
Monday–Friday weekdays98,281
Weeks and days19,656w 3d
Calendar span376 years, 8 months, 21 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.