Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
138,695 days
From Thursday, December 13, 1646 to Monday, September 7, 2026.
Monday–Friday weekdays99,067
Weeks and days19,813w 4d
Calendar span379 years, 8 months, 25 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.