36 Hour Timer

The Shift-and-Half a 36 Hour Focus Timer engineered for hackathons, sleep deprivation research, and multi-day creative marathons.

✓Free to start

✓No credit card required

✓Takes 5 seconds

✓4.8 ⭐⭐️⭐️⭐️ on Appstore

Your Basic Timer

36:00:00

Click the ring or hit ▶ to start · Space bar works too

This is just a basic timer. Want tasks, ambient sounds, Pomodoro sessions and focus stats on your phone?Download Blazetimer 🚀

What is a 36 hour timer

The 36-hour timer is the standard hackathon duration from Friday evening kickoff to Sunday morning presentations. In medical research, 36 hours of total sleep deprivation is the threshold used in studies of performance degradation, resilience training, and creative problem-solving under constraint. Paradoxically, sleep deprivation research shows that creative association and divergent thinking sometimes increase in the 24-36 hour range before logical reasoning collapses making this an unusual window where certain kinds of creative work can actually intensify.

What people use a 36 hour timer for.

💻

The Standard Hackathon

36 hours is the universal hackathon format from kickoff to demo. This timer tracks the full scope of building a complete product from idea to working prototype in a single, intense weekend sprint.

🏔️

Military Resilience Training

36-hour sleep deprivation blocks are standard in military officer selection and special operations training, testing decision-making, leadership, and physical performance under maximum stress.

🎨

The Creative Marathon

Writers, artists, and musicians sometimes commit to 36-hour creative sessions to push past the comfortable and into territory that only extreme constraint and fatigue can unlock.

🏥

Medical Residency Standard

36-hour shifts are the traditional medical residency standard the timer normalizes this scope for healthcare professionals who need to make this commitment visible and structured.

🧑‍🍳

Multi-Day Culinary Project

Some of the worlds most complex dishes multi-day ferments, slow-dried charcuterie, aged confections require 36 hours of active monitoring and intervention from start to finish.

🗺️

The Annual Retreat Simulation

Instead of an expensive retreat, spend 36 hours at home in complete immersion on your most important annual planning: vision, goals, strategy, and the first 30 days of execution.

You're using a basic timer.Blazetimer is a focus system.

Stay on this page

Basic browser timer

✓Simple countdown timer
✓Start, pause, reset

🚀 Blazetimer PRO

Blazetimer PRO

✓The Full Focus System
✓Pomodoro sessions (25 min + breaks)
✓Task manager + GTD inbox
✓Ambient sounds, rain, white noise
✓Focus stats + daily charts
✓Live Activities + Dynamic Island
✓Home screen widgets
✓Works offline. Always in your pocket.

3 things a browser timer
will never do.

🎓

Live on your lock screen

Blazetimer uses iOS Live Activities to keep your timer visible on your Lock Screen and in the Dynamic Island. You never have to unlock your phone to check the time.

💼

Knows your timing

A browser timer has no idea why you're timing 2 minutes. Blazetimer ties every session to a task — so you build a real record of where your time goes.

🧠

Builds focus over time

Every session you complete in Blazetimer adds to your focus stats. You can see your daily, weekly, and monthly focus time grow.

They started with a
browser timer too.

⭐⭐⭐⭐⭐ 4.8 rating on the App Store

As someone with ADHD, this is the first productivity app that actually works for me. The visual timer and automatic breaks mean I don't have to make decisions — I just start and the app takes care of everything

Sarah KGraduate student

I've tried every Pomodoro app on the market. Blazetimer is the only one that combines a proper timer with real task management. My work output has genuinely doubled since I started using it.

Marcus TSoftware specialist

The strict mode is a game changer for me. I used to stop my timers constantly when things got difficult. Now I can't and it's taught me that I can actually push through. My exam scores have improved

Aisha OMedical student

Need a Different
Countdown?

All free. All instant. Or download the app for all of them in one place.

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You've been using a Stopwatch. Try a Focus System.

Blazetimer combines your timer, tasks, sounds, and stats in one app designed for people who actually struggle to focus.

✓Free to download

✓No ads ever

✓iPhone · iPad · Apple Watch

✓iCloud sync included