Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
141,745 days
From Saturday, August 7, 1638 to Monday, September 7, 2026.
Monday–Friday weekdays101,246
Weeks and days20,249w 2d
Calendar span388 years, 1 month
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.