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

196,640 days

From Saturday, April 21, 1488 to Tuesday, September 8, 2026.

Monday–Friday weekdays140,457
Weeks and days28,091w 3d
Calendar span538 years, 4 months, 18 days

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