Set 20 Minutes Timer Online
Set timer for 20 Minutes directly in your browser. This free online countdown clock counts down from 20 minutes to zero and plays a loud alarm when time is up. To start the timer, simply click the Start button above.
Popular Uses
- NASA Power Nap - NASA research identifies 20 minutes as the optimal nap length for pilots and shift workers to boost alertness.
- Focused Reading Sprint - read deeply for 20 minutes then stop to summarize the three key ideas before reading further.
- Short HIIT Workout - complete four Tabata-style 4-minute circuits packed into a full 20-minute high-intensity training block.
- Daily Meditation Session - many structured mindfulness programs recommend 20 minutes as the ideal daily meditation practice length.
- Oven Preheat Buffer - start the timer as your oven heats up so your dish goes in at the precise target temperature.
Frequently Asked Questions
Does this 20 minutes timer make a sound?
Yes. When the countdown reaches zero, the browser plays a short alarm chime. Keep the tab open and your device volume enabled.
Can I use this timer in full screen?
Yes. Use the full-screen button to turn the countdown into a large display for classrooms, workouts, meetings, cooking, or livestreams.
How many seconds is this timer?
This countdown is exactly 1,200 seconds long.
More Timer Durations
Need a different time? Select from our quick preset timers below.
Seconds:
Minutes: