Online countdown · 13:09

789 Second Timer

Free 789 second timer that counts down 13 minutes and 9 seconds. Press start and the alarm rings when the time is up. Add labels, repeats or more timers anytime.

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A 789 second timer counts down exactly 13 minutes and 9 seconds. Whether you need it for work, training, cooking or a personal challenge, an online timer for 789 seconds keeps you on schedule and lets you focus on the task instead of the clock.

Why Use a 789 Second Timer?

A 789 second timer is useful in many situations:

  • Speeches & Pitches: Rehearse lightning talks, elevator pitches or class presentations with a visible 789-second limit.
  • Face or Hair Mask: Most masks and treatments need 5 to 20 minutes to work, and the 789 second timer tells you when to rinse.
  • Flashcard Session: Review vocabulary or exam cards for 13 minutes and 9 seconds. Short, regular sessions beat long cramming.
  • Stand-Up Meeting: Daily stand-ups should stay short. A visible 789-second countdown keeps every update to the point.
  • Short Rest: Close your eyes for 13 minutes and 9 seconds and let the alarm bring you back before you fall into deep sleep.

Fun Fact: What Happens in 789 Seconds?

Each quarter of an NFL game lasts 15 minutes of game time. This 789 second timer ends 1 minute and 51 seconds earlier.

Broken down into prime factors, 789 = 3 × 263.

Start Your 789 Second Timer in Seconds

  1. The timer at the top of this page is already set to 13:09. Simply press Start Timer.
  2. Optionally add a label, enable the alarm and choose one of 13 alarm sounds (use the speaker button to preview them).
  3. Combine the 789-second block with breaks or other phases by adding timers; the whole sequence runs on its own.
  4. Share your setup with a link or export it as JSON, perfect for teams, classes and training partners.

Recommended Timers for Specific Activities

Want more than a single countdown? These presets combine several timers into a routine:

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Frequently Asked Questions About the 789 Second Timer

How long is a 789 second timer?

A 789 second timer runs for exactly 13 minutes and 9 seconds. That equals 13.2 minutes.

Can I pause or repeat the 789 second timer?

Absolutely. Use the pause button to stop the countdown and continue later. With the repeat option the 789 second timer restarts automatically as often as you like.

Will I hear an alarm when the time is up?

Yes. Every timer can play its own alarm sound. 13 tones are available, and the speaker button lets you listen to them first. Browsers only play sound while the tab is open and the device is not muted.

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.

Make Every Second of the 789 Second Timer Count

13 minutes and 9 seconds can be a lot or a little. It depends on how you use them. With a visible countdown you plan better, procrastinate less and finish what you started. Your 789 Second Timer is ready when you are.

Plan Your 789 Seconds

Numbers that help you use the 789 second timer in practice, all calculated for exactly 13 minutes and 9 seconds.

When Does a 789-Second Countdown End?

Starting soon? Here is when the countdown ends for typical start times:

StartTimer ends
07:00 (7:00 am)07:13:09 (7:13:09 am)
09:00 (9:00 am)09:13:09 (9:13:09 am)
12:00 (12:00 pm)12:13:09 (12:13:09 pm)
14:30 (2:30 pm)14:43:09 (2:43:09 pm)
18:00 (6:00 pm)18:13:09 (6:13:09 pm)
21:00 (9:00 pm)21:13:09 (9:13:09 pm)

Countdown Milestones

  • A quarter done: after 3 minutes and 17 seconds, with 9 minutes and 52 seconds remaining.
  • Halfway point: after 6 minutes and 35 seconds, with 6 minutes and 35 seconds remaining.
  • Three quarters done: after 9 minutes and 52 seconds, with 3 minutes and 17 seconds remaining.
  • Last 10 percent: after 11 minutes and 50 seconds, with 1 minute and 19 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 789 Seconds

  • Tabata-style 20/10: 26 rounds of 20 seconds work and 10 seconds rest, which makes 3 complete 4-minute Tabata blocks.
  • 30/30 intervals: 13 rounds of 30 seconds on and 30 seconds off.
  • EMOM (every minute on the minute): 13 minutes, each starting with a fixed set of reps.

Calories Burned in 789 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.

Activity60 kg (132 lb)80 kg (176 lb)
Walking (4.8 km/h · 3 mph)46 kcal61 kcal
Brisk walking (5.6 km/h · 3.5 mph)57 kcal75 kcal
Jogging, general92 kcal123 kcal
Running (9.7 km/h · 6 mph)129 kcal172 kcal
Cycling, moderate (19-22 km/h)105 kcal140 kcal
Swimming laps, moderate76 kcal102 kcal
Jumping rope, moderate155 kcal207 kcal
Hatha yoga33 kcal44 kcal

How Far You Get in 789 Seconds

Distance covered at typical average speeds without stops:

Way of movingSpeedDistance
Walking5 km/h1.1 km (0.68 mi)
Running10 km/h2.19 km (1.36 mi)
Cycling20 km/h4.38 km (2.72 mi)
Car on the motorway100 km/h21.9 km (13.6 mi)
High-speed train300 km/h65.8 km (40.9 mi)

789 Seconds Compared With Real-World Durations

  • 12:00: An NBA quarter lasts 12 minutes of game time. (1 minute and 9 seconds shorter than this timer)
  • 12:35: Joshua Cheptegei set the 5000 m world record of 12:35.36 in Monaco in 2020. (33.64 seconds shorter than this timer)
  • 12:40: Sunlight needs about 12 and a half minutes to reach Mars. (29 seconds shorter than this timer)
  • 14:00: A rugby sevens match has only 14 minutes of playing time: two halves of seven minutes. (51 seconds longer than this timer)
  • 15:00: Half-time in a football (soccer) match lasts 15 minutes. (1 minute and 51 seconds longer than this timer)