Deadline countdown calculator

Count down to any deadline in days, hours, minutes, and seconds. Free deadline countdown for projects, exams, launches, and events.

Why countdowns help deadlines

A calendar event says when something is due. A countdown says how much time is left. That difference matters because remaining time is the resource you can still use.

Project, exam, and launch deadlines

Use this calculator for assignments, client deliverables, product launches, applications, renewals, and travel cutoffs. Anything with a fixed date can become a visible countdown.

Make the deadline visible

Left is built around this behavior: add the deadline once, then keep the remaining days or hours on your iPhone widget so it is always in sight.

Download Left

Start noticing what matters.

Download Left on your iPhone to see the time you have left, dates you are looking forward to, build the habits you want to keep, and become a better version of yourself.

Scan with your camera to find Left on the App Store. Or search "Left" on the App Store.

Download for iOS