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

195,363 days

From Tuesday, October 20, 1491 to Tuesday, September 8, 2026.

Monday–Friday weekdays139,545
Weeks and days27,909w 0d
Calendar span534 years, 10 months, 19 days

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