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

182,035 days

From Tuesday, April 17, 1528 to Tuesday, September 8, 2026.

Monday–Friday weekdays130,025
Weeks and days26,005w 0d
Calendar span498 years, 4 months, 22 days

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