Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
26,858 days
From Thursday, March 18, 2100 to Friday, September 4, 2026.
Monday–Friday weekdays19,184
Weeks and days3,836w 6d
Calendar span73 years, 6 months, 14 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.