Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
144,840 days
From Friday, February 15, 1630 to Monday, September 7, 2026.
Monday–Friday weekdays103,456
Weeks and days20,691w 3d
Calendar span396 years, 6 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.