Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
144,966 days
From Friday, October 12, 1629 to Monday, September 7, 2026.
Monday–Friday weekdays103,546
Weeks and days20,709w 3d
Calendar span396 years, 10 months, 26 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.