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

74,028 days

From Wednesday, December 31, 1823 to Saturday, September 5, 2026.

Monday–Friday weekdays52,877
Weeks and days10,575w 3d
Calendar span202 years, 8 months, 5 days

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