Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
217,939 days
From Tuesday, December 29, 1429 to Wednesday, September 9, 2026.
Monday–Friday weekdays155,671
Weeks and days31,134w 1d
Calendar span596 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.