Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
145,398 days
From Sunday, August 6, 1628 to Monday, September 7, 2026.
Monday–Friday weekdays103,856
Weeks and days20,771w 1d
Calendar span398 years, 1 month, 1 day
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.