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

218,014 days

From Thursday, October 15, 1429 to Wednesday, September 9, 2026.

Monday–Friday weekdays155,724
Weeks and days31,144w 6d
Calendar span596 years, 10 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.