Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
26,856 days
From Tuesday, March 16, 2100 to Friday, September 4, 2026.
Monday–Friday weekdays19,182
Weeks and days3,836w 4d
Calendar span73 years, 6 months, 12 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.