Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
217,940 days
From Monday, December 28, 1429 to Wednesday, September 9, 2026.
Monday–Friday weekdays155,672
Weeks and days31,134w 2d
Calendar span596 years, 8 months, 12 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.