1 HOUR 30 TIMER
90:00
Presets
You've reached the 1 hour 30 timer from AlarmClock24. The widget above is preloaded with 90 minutes. Press "Start" and the countdown begins.
What is a 1 hour 30 timer good for?
90 minutes for a soccer match with stoppage time, a short movie, or a full sleep cycle in a long nap. It is the timer for long blocks, when you need to forget about the clock.
Practical tip
Did you know 90 minutes is the length of a human sleep cycle? If you nap for exactly 90 minutes, you are more likely to wake in a light phase.
Frequently asked questions
Does the timer keep running if I switch tabs?
Yes, the timer keeps running even if you switch tabs or minimize the browser. It uses absolute timestamps so the countdown stays accurate even if the tab loses focus.
Can I make the timer repeat automatically?
Yes, enable the "Repeat when finished" option in the timer widget. When it rings, the countdown starts over automatically. Useful for interval exercises or periodic reminders.