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

182,802 days

From Friday, March 12, 1526 to Tuesday, September 8, 2026.

Monday–Friday weekdays130,572
Weeks and days26,114w 4d
Calendar span500 years, 5 months, 27 days

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