Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
154,311 days
From Friday, March 12, 1604 to Monday, September 7, 2026.
Monday–Friday weekdays110,221
Weeks and days22,044w 3d
Calendar span422 years, 5 months, 26 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.