Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
159,498 days
From Friday, December 29, 1589 to Monday, September 7, 2026.
Monday–Friday weekdays113,926
Weeks and days22,785w 3d
Calendar span436 years, 8 months, 9 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.