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

182,431 days

From Friday, March 18, 1527 to Tuesday, September 8, 2026.

Monday–Friday weekdays130,307
Weeks and days26,061w 4d
Calendar span499 years, 5 months, 21 days

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