Compute Calendar Days

Compute Calendar Days. The days calculator is a multipurpose tool ideal for calculating the total number of days between two dates, as well as adding or subtracting days from a given date. Use this days between two dates calculator instead to get accurate data from weeks, days, hours even milliseconds.

Excel’s days function is dedicated to finding the number of days between two dates. It can also do calculations with calendar years, calendar months, and weeks.