Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
148,551 days
From Thursday, December 19, 1619 to Monday, September 7, 2026.
Monday–Friday weekdays106,107
Weeks and days21,221w 4d
Calendar span406 years, 8 months, 19 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.