Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
137,716 days
From Wednesday, August 18, 1649 to Monday, September 7, 2026.
Monday–Friday weekdays98,368
Weeks and days19,673w 5d
Calendar span377 years, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.