Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
144,810 days
From Sunday, March 17, 1630 to Monday, September 7, 2026.
Monday–Friday weekdays103,436
Weeks and days20,687w 1d
Calendar span396 years, 5 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.