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

193,474 days

From Monday, December 21, 1496 to Tuesday, September 8, 2026.

Monday–Friday weekdays138,196
Weeks and days27,639w 1d
Calendar span529 years, 8 months, 18 days

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