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

185,052 days

From Tuesday, January 13, 1520 to Tuesday, September 8, 2026.

Monday–Friday weekdays132,180
Weeks and days26,436w 0d
Calendar span506 years, 7 months, 26 days

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