Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
26,762 days
From Saturday, December 12, 2099 to Friday, September 4, 2026.
Monday–Friday weekdays19,115
Weeks and days3,823w 1d
Calendar span73 years, 3 months, 8 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.