Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
26,905 days
From Tuesday, May 4, 2100 to Friday, September 4, 2026.
Monday–Friday weekdays19,217
Weeks and days3,843w 4d
Calendar span73 years, 8 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.