35 Minute Timer

Press Start to count down 35 minutes.

This free 35 minute timer counts down 35 minutes with a shrinking red disc you can read at a glance. 35 minutes is 2,100 seconds (two thousand one hundred seconds). It is a handy study block and a good reminder to check a slow cooker or casserole.

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What a 35 minute timer is good for

Thirty-five minutes is long enough for a deep study block but still short enough to keep the end in sight. In the kitchen it is a common checkpoint for casseroles, baked pasta and cakes.

A deep study block

Thirty-five minutes of study with a seven minute break fills about three quarters of an hour.

Checking a slow cooker

Lifting the lid of a slow cooker loses heat, so check it rarely. Thirty-five minutes is a good interval for a stir when you are cooking on high.

Baking a cake

A standard sponge in two round tins is usually done in twenty-five to thirty-five minutes. Check with a skewer at the end.

Baked pasta

A pasta bake with a cheese topping needs about thirty-five minutes in the oven to bubble and brown.

To pace yourself, glance at the disc rather than the numbers. With the 35 minute timer running, half the colour has gone after 17 minutes 30 seconds, and when only a quarter is left you have 8 minutes 45 seconds to wrap up. Open fullscreen if the timer needs to be read across a room, and add a label so everyone knows what the 35 minutes are for.

How to use the 35 minute timer

  1. It is ready

    The dial is already set to 35 minutes. To change it, drag the disc, tap a preset or open Custom.

  2. Press Start

    Or press the Space bar. The red disc shrinks back towards 12 o’clock as the time runs down.

  3. Watch the disc

    Read the time left at a glance, or open fullscreen for a big dial that fills the screen.

  4. Time’s up

    Your alarm plays until you press Stop. Press Reset or R to run the same time again.

35 minutes in other units

35 minutes equals
Seconds2,100
Minutes35
Hours0.5833
Fraction of a day7/288

Why use this timer

Why a visual timer helps

A shrinking disc turns time into something you can see. You read how much is left at a glance, without doing sums on a clock, and an invisible deadline feels less stressful when you can watch it approach. That is why visual timers are a staple in classrooms and are widely used by people with ADHD and autistic children and adults. Read our guide to using a visual timer, how it helps with ADHD time blindness, classroom transitions and autism.

Why this timer is accurate

The countdown is anchored to your device clock rather than counted in animation frames. It does not drift if you switch tabs or your screen sleeps: it keeps running in the background and still sounds the alarm on time. When you come back, the disc jumps straight to the correct position.

Frequently asked questions

There are 2,100 seconds in 35 minutes. That is 0.5833 of an hour, or two thousand one hundred seconds written out.

A deep study block with a short break, checking a slow cooker or casserole, testing a sponge cake or baking a bubbling pasta dish.

Yes. The 35 minute countdown is anchored to your device clock rather than counted frame by frame, so it stays accurate in a background tab and the alarm still fires when the 35 minutes are up.

No. The 35 minute timer runs in your browser on phone, tablet and desktop. It is free, and there is no account, app or download.

Yes. Press the fullscreen button or the F key. The dial fills the screen, so the remaining part of the 35 minutes is readable from the back of the room.

Yes, once this page has loaded. Nothing is sent over the network while the 35 minutes count down, so a dropped connection will not stop the timer.

A pasta bake, a two-tin sponge cake, baked sweet potatoes cut in half, or a tray of sausages and peppers. Start the 35 minute timer when the dish goes into the oven.

When the 35 minutes are up the disc is empty, the screen shows Time’s up! and your alarm plays until you press Stop. It stops by itself after five minutes.

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