Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
145,140 days
From Saturday, April 21, 1629 to Monday, September 7, 2026.
Monday–Friday weekdays103,671
Weeks and days20,734w 2d
Calendar span397 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.