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

83,140 days

From Friday, January 18, 1799 to Saturday, September 5, 2026.

Monday–Friday weekdays59,385
Weeks and days11,877w 1d
Calendar span227 years, 7 months, 18 days

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