Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
100,535 days
From Monday, December 9, 2301 to Sunday, September 6, 2026.
Monday–Friday weekdays71,811
Weeks and days14,362w 1d
Calendar span275 years, 3 months, 3 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.