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

195,970 days

From Thursday, February 20, 1490 to Tuesday, September 8, 2026.

Monday–Friday weekdays139,978
Weeks and days27,995w 5d
Calendar span536 years, 6 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.