Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
26,812 days
From Sunday, January 31, 2100 to Friday, September 4, 2026.
Monday–Friday weekdays19,150
Weeks and days3,830w 2d
Calendar span73 years, 4 months, 27 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.