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

89,737 days

From Tuesday, December 26, 1780 to Saturday, September 5, 2026.

Monday–Friday weekdays64,098
Weeks and days12,819w 4d
Calendar span245 years, 8 months, 10 days

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