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

213,084 days

From Saturday, April 15, 1443 to Wednesday, September 9, 2026.

Monday–Friday weekdays152,203
Weeks and days30,440w 4d
Calendar span583 years, 4 months, 25 days

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