Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
140,398 days
From Tuesday, April 15, 1642 to Monday, September 7, 2026.
Monday–Friday weekdays100,284
Weeks and days20,056w 6d
Calendar span384 years, 4 months, 23 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.