Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
148,671 days
From Wednesday, August 21, 1619 to Monday, September 7, 2026.
Monday–Friday weekdays106,193
Weeks and days21,238w 5d
Calendar span407 years, 17 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.