Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
146,236 days
From Tuesday, April 21, 1626 to Monday, September 7, 2026.
Monday–Friday weekdays104,454
Weeks and days20,890w 6d
Calendar span400 years, 4 months, 17 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.