Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
218,535 days
From Monday, May 12, 1428 to Wednesday, September 9, 2026.
Monday–Friday weekdays156,097
Weeks and days31,219w 2d
Calendar span598 years, 3 months, 28 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.