Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
249,365 days
From Tuesday, December 17, 1343 to Saturday, September 12, 2026.
Monday–Friday weekdays178,118
Weeks and days35,623w 4d
Calendar span682 years, 8 months, 26 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.