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

108,372 days

From Tuesday, December 20, 1729 to Sunday, September 6, 2026.

Monday–Friday weekdays77,408
Weeks and days15,481w 5d
Calendar span296 years, 8 months, 17 days

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