Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
243,732 days
From Sunday, May 20, 1359 to Saturday, September 12, 2026.
Monday–Friday weekdays174,095
Weeks and days34,818w 6d
Calendar span667 years, 3 months, 23 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.