Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
27,118 days
From Friday, December 3, 2100 to Friday, September 4, 2026.
Monday–Friday weekdays19,370
Weeks and days3,874w 0d
Calendar span74 years, 2 months, 29 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.