Days between dates
Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.
124,434 days
From Saturday, December 29, 1685 to Monday, September 7, 2026.
Monday–Friday weekdays88,881
Weeks and days17,776w 2d
Calendar span340 years, 8 months, 9 days
Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.