Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
155,496 days
From Wednesday, December 13, 1600 to Monday, September 7, 2026.
Monday–Friday weekdays111,068
Weeks and days22,213w 5d
Calendar span425 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.