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

62,999 days

From Sunday, March 12, 1854 to Saturday, September 5, 2026.

Monday–Friday weekdays45,000
Weeks and days8,999w 6d
Calendar span172 years, 5 months, 24 days

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