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

131,550 days

From Tuesday, July 6, 1666 to Monday, September 7, 2026.

Monday–Friday weekdays93,964
Weeks and days18,792w 6d
Calendar span360 years, 2 months, 1 day

Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.