Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
148,897 days
From Monday, January 7, 1619 to Monday, September 7, 2026.
Monday–Friday weekdays106,355
Weeks and days21,271w 0d
Calendar span407 years, 8 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.