Subtract Days From Date

Summary

Enter a start date and a number of days to subtract, and instantly see the resulting past date.

How it works

1. Enter or pick a start date using the date picker.
2. Type the number of days you want to subtract.
3. The resulting date updates instantly as you type.
4. Click "Copy Result" to copy the calculated date to your clipboard.
5. Use "Set to Today" to quickly reset the start date to today.

Use cases

• Find what date was 30 days before a contract deadline.
• Calculate the start of a billing period that ended on a known date.
• Work out a date 90 days prior to a regulatory filing.
• Determine the cutoff date for a return or warranty window.
• Plan backwards from an event to schedule preparation milestones.
• Check what date fell 7, 14, or 21 days before a given date.

Frequently Asked Questions