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900 Minute Timer
Set a free 900 minute timer online. Track a longer activity with a minutes-and-seconds countdown you can start, pause, and reset.
Use this 900 minute timer when your schedule or activity is measured in minutes. The countdown starts at 900:00 and keeps the remaining time in minutes and seconds.
Choose Start Focus to begin, Pause to hold the remaining time, or Reset Timer to restore the full countdown. You can adjust the focus duration in Preferences, up to 1440 minutes.
A 900 minute countdown equals 15 hours. It can cover a longer project or scheduled activity with pauses for breaks. Your timer settings and focus history stay on your device.
Frequently Asked Questions
How long is 900 minutes?
900 minutes equals 15 hours. This page displays the countdown in minutes and seconds.
Can I pause this timer?
Yes. Use Pause to stop the countdown temporarily, then Start Focus to continue. Reset restores the full duration.
Can I change the duration?
Yes. Open Preferences and choose a different focus duration, up to 24 hours.