Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
144,890 days
From Thursday, December 27, 1629 to Monday, September 7, 2026.
Monday–Friday weekdays103,492
Weeks and days20,698w 4d
Calendar span396 years, 8 months, 11 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.