Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
228,815 days
From Friday, March 21, 1400 to Thursday, September 10, 2026.
Monday–Friday weekdays163,439
Weeks and days32,687w 6d
Calendar span626 years, 5 months, 20 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.