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

187,319 days

From Wednesday, October 29, 1513 to Tuesday, September 8, 2026.

Monday–Friday weekdays133,799
Weeks and days26,759w 6d
Calendar span512 years, 10 months, 10 days

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