Date-to-date calculator

Days between dates

Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.

Excluding the start date

116,413 days

From Thursday, December 15, 1707 to Sunday, September 6, 2026.

Monday–Friday weekdays83,151
Weeks and days16,630w 3d
Calendar span318 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.