What Date Was 90 Days Ago?

Ninety days ago is about three months back, the start of a "last quarter" view in many reports. It's also the look-back people use to check whether a 90-day warranty or return window is still open.

90 days is 12 weeks and 6 days.

That's 2,160 hours, or 129,600 minutes.

It's about 3.0 months, using an average month of 30.44 days.

Counting back 90 calendar days includes weekends. If you only need working days, use the business-day date shown above, which skips Saturdays and Sundays but not public holidays.

On a paper calendar, move up 12 rows from today. That covers 84 days and keeps you on today's weekday. Then count 6 more squares to the left to finish the remaining 6 days.

A quick check: 90 days ago always falls 1 weekday after today's in the weekly cycle. The full weeks cancel out, and stepping back 6 days lands on the same weekday as stepping forward 1.

Need the answer for a date other than today? This table applies the same 90 days to a fixed start date in every month of 2026. For any other start date, use the add or subtract days tool.