Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
144,814 days
From Wednesday, March 13, 1630 to Monday, September 7, 2026.
Monday–Friday weekdays103,438
Weeks and days20,687w 5d
Calendar span396 years, 5 months, 25 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.