Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
146,612 days
From Thursday, April 10, 1625 to Monday, September 7, 2026.
Monday–Friday weekdays104,722
Weeks and days20,944w 4d
Calendar span401 years, 4 months, 28 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.