Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
148,563 days
From Saturday, December 7, 1619 to Monday, September 7, 2026.
Monday–Friday weekdays106,116
Weeks and days21,223w 2d
Calendar span406 years, 9 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.