Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
124,447 days
From Saturday, December 15, 1685 to Sunday, September 6, 2026.
Monday–Friday weekdays88,890
Weeks and days17,778w 1d
Calendar span340 years, 8 months, 22 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.