Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
145,154 days
From Saturday, April 7, 1629 to Monday, September 7, 2026.
Monday–Friday weekdays103,681
Weeks and days20,736w 2d
Calendar span397 years, 5 months
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.