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

90,697 days

From Tuesday, May 12, 1778 to Sunday, September 6, 2026.

Monday–Friday weekdays64,783
Weeks and days12,956w 5d
Calendar span248 years, 3 months, 25 days

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