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

206,178 days

From Wednesday, March 12, 1462 to Wednesday, September 9, 2026.

Monday–Friday weekdays147,270
Weeks and days29,454w 0d
Calendar span564 years, 5 months, 28 days

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