Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
71,846 days
From Monday, December 21, 1829 to Saturday, September 5, 2026.
Monday–Friday weekdays51,319
Weeks and days10,263w 5d
Calendar span196 years, 8 months, 15 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.