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

100,645 days

From Monday, February 15, 1751 to Sunday, September 6, 2026.

Monday–Friday weekdays71,889
Weeks and days14,377w 6d
Calendar span275 years, 6 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.