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

98,890 days

From Saturday, December 6, 1755 to Sunday, September 6, 2026.

Monday–Friday weekdays70,635
Weeks and days14,127w 1d
Calendar span270 years, 9 months

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