Date To Date Calculator

Use this date-to-date calculator to find the exact number of days, weeks, and months between two dates. You can also use it to add or subtract specific amounts of time from a starting date, with built-in options to filter for business days only.

Days Between Two Dates

Include end day (add 1 day)




Add or Subtract from a Date

Only count business days

Common Uses for a Date Calculator

Calculating time intervals manually often leads to miscounts due to varying month lengths and leap years. This tool automatically accounts for calendar irregularities so you can quickly figure out: