Some tasks need exactly 8 minutes and 40 seconds. Instead of checking the clock again and again, let the 520 Second Timer keep track for you. It runs right here in your browser and alerts you the moment time is up.
What Can You Do With a 520 Second Timer?
A countdown of 8 minutes and 40 seconds works well for situations like these:
- Brainstorming Round: Collect ideas in a team without discussing them. A fixed 520-second round keeps the energy high.
- Boiling Eggs: Between 6 and 12 minutes turns eggs from soft to fully hard-boiled. A 520 second timer takes the guesswork out of breakfast.
- Flashcard Session: Review vocabulary or exam cards for 8 minutes and 40 seconds. Short, regular sessions beat long cramming.
- Warm-Up & Cool-Down: Five to fifteen minutes of light movement before and after training prepare your body and help it recover.
- Steaming Vegetables: Broccoli, carrots or green beans are tender-crisp after a few minutes of steaming, and the 520-second countdown keeps them from turning mushy.
Fun Fact: What Happens in 520 Seconds?
The Space Shuttle reached orbit about eight and a half minutes after liftoff. The 520 second timer lasts 10 seconds longer.
Broken down into prime factors, 520 = 2³ × 5 × 13.
How to Use the 520 Second Timer
- Check the preset time (08:40) and click Start Timer; the countdown begins immediately.
- Give your countdown a name in the text field, switch on the alarm and pick the sound you like best.
- Combine the 520-second block with breaks or other phases by adding timers; the whole sequence runs on its own.
- Use fullscreen mode for a large, distraction-free display and Export Settings to save your setup as a JSON file.
Recommended Timers for Specific Activities
These use case timers come with complete, pre-configured sequences:
- For structured workout sessions, try the HIIT Workout Timer with work and rest intervals.
- For mindfulness and calm breathing, the Meditation Timer guides you through every phase.
- Find the perfect steeping time with the Tea Brewing Timer.
- Give every product enough time to work with the Skin Care Routine Timer.
Explore More Timers
Frequently Asked Questions About the 520 Second Timer
How long is a 520 second timer?
A 520 second timer runs for exactly 8 minutes and 40 seconds. That equals 8.67 minutes.
Can I pause or repeat the 520 second timer?
You can pause at any moment (also with the space bar) and resume exactly where you stopped. To run the 520 seconds several times, switch on Repeat Timer and choose how often.
Will I hear an alarm when the time is up?
Yes, if Enable Alarm is checked. You can choose between 13 alarm sounds and preview them before starting. Keep the browser tab open and the sound of your device switched on.
Do I need to install anything?
No. FinalTimer works directly in your browser on desktop, tablet and smartphone. There is no app, no registration and no cost.
Unlock the Power of 520 Seconds
Whether you are planning, training, cooking or waiting for something important, the 520 Second Timer gives your 8 minutes and 40 seconds a visible structure. Start the countdown above and make every minute count.
Plan Your 520 Seconds
Numbers that help you use the 520 second timer in practice, all calculated for exactly 8 minutes and 40 seconds.
When Does a 520-Second Countdown End?
Starting soon? Here is when the countdown ends for typical start times:
| Start | Timer ends |
|---|---|
| 07:00 (7:00 am) | 07:08:40 (7:08:40 am) |
| 09:00 (9:00 am) | 09:08:40 (9:08:40 am) |
| 12:00 (12:00 pm) | 12:08:40 (12:08:40 pm) |
| 14:30 (2:30 pm) | 14:38:40 (2:38:40 pm) |
| 18:00 (6:00 pm) | 18:08:40 (6:08:40 pm) |
| 21:00 (9:00 pm) | 21:08:40 (9:08:40 pm) |
Countdown Milestones
- A quarter done: after 2 minutes and 10 seconds, with 6 minutes and 30 seconds remaining.
- Halfway point: after 4 minutes and 20 seconds, with 4 minutes and 20 seconds remaining.
- Three quarters done: after 6 minutes and 30 seconds, with 2 minutes and 10 seconds remaining.
- Last 10 percent: after 7 minutes and 48 seconds, with 52 seconds remaining.
Speakers, teachers and exam supervisors often give a warning at the 75 % or 90 % mark. Add a second timer for the warning if you want an extra alarm.
Intervals That Fit Into 520 Seconds
- Tabata-style 20/10: 17 rounds of 20 seconds work and 10 seconds rest, which makes 2 complete 4-minute Tabata blocks.
- 30/30 intervals: 8 rounds of 30 seconds on and 30 seconds off.
- EMOM (every minute on the minute): 8 minutes, each starting with a fixed set of reps.
Calories Burned in 520 Seconds
Estimated energy use for common activities, calculated with MET values from the Compendium of Physical Activities (kcal = MET × body weight in kg × hours). Real values vary with fitness, age and intensity.
| Activity | 60 kg (132 lb) | 80 kg (176 lb) |
|---|---|---|
| Walking (4.8 km/h · 3 mph) | 30 kcal | 40 kcal |
| Brisk walking (5.6 km/h · 3.5 mph) | 37 kcal | 50 kcal |
| Jogging, general | 61 kcal | 81 kcal |
| Running (9.7 km/h · 6 mph) | 85 kcal | 113 kcal |
| Cycling, moderate (19-22 km/h) | 69 kcal | 92 kcal |
| Swimming laps, moderate | 50 kcal | 67 kcal |
| Jumping rope, moderate | 102 kcal | 136 kcal |
| Hatha yoga | 22 kcal | 29 kcal |
How Far You Get in 520 Seconds
Distance covered at typical average speeds without stops:
| Way of moving | Speed | Distance |
|---|---|---|
| Walking | 5 km/h | 722 m (790 yd) |
| Running | 10 km/h | 1.44 km (0.9 mi) |
| Cycling | 20 km/h | 2.89 km (1.8 mi) |
| Car on the motorway | 100 km/h | 14.4 km (8.98 mi) |
520 Seconds Compared With Real-World Durations
- 07:32: The longest possible total solar eclipse lasts about 7 minutes and 32 seconds. (1 minute and 8 seconds shorter than this timer)
- 08:02: Led Zeppelin’s “Stairway to Heaven” runs about 8 minutes. (38 seconds shorter than this timer)
- 08:19: Sunlight needs about 8 minutes and 20 seconds to travel the 149.6 million km to the Earth. (21 seconds shorter than this timer)
- 08:30: The Space Shuttle reached orbit about eight and a half minutes after liftoff. (10 seconds shorter than this timer)
- 10:00: The Bitcoin network is designed to produce a new block roughly every ten minutes. (1 minute and 20 seconds longer than this timer)