Precision Timers
Stopwatches, countdowns & interval timers
Precision stopwatch with lap tracking, split times, and keyboard shortcuts. Accurate to the millisecond.
Multiple simultaneous countdown timers with custom labels. Tab title updates so you can see it while working.
Work/rest interval timer for workouts. Tabata, HIIT, EMOM, and custom presets with audio cues.
Full Pomodoro technique with work sessions, short breaks, long breaks, and daily session tracking.
Preset timers for instant ramen and cup noodles — 2, 3, 3:30, and 4 minutes — with a cooking animation and sound alert.
Two-player chess clock with configurable time controls. Blitz, rapid, and classical presets.
Automatic eye strain break reminder built around the 20-20-20 rule. Runs in the background with a fullscreen break prompt.
World Clocks
Time zones, sunrise & global time
Add any city. See time, UTC offset, business hours status, and day/night indicator for every location.
Golden hour, blue hour, solar noon, and daylight remaining for any city. Based on your local time.
Track corporate DevOps & support shifts across Americas, EMEA, and APAC. Identify critical 30-minute handover zones.
Optimize your publishing schedule by tracking global daytime timezone densities and algorithmic peak traffic windows.
Specialty Timers
Presentations, meetings & meditation
Fullscreen speaker timer. Color changes as time runs low. Slide-by-slide mode divides time across your slides.
Input attendees and salary. Watch the cost of this meeting tick up in real time. The most effective meeting ender.
Gentle bells at custom intervals. Meditation timer, study intervals, mindfulness reminders.
A tide-tracking clock designed for marine activities, coastal workers, surfers, and moon phase observers.
Ambient Clocks
Unusual, minimal & always-on displays
Time displayed as binary-coded decimal dots — hours, minutes, and seconds in base 2.
The current time rendered as an RGB hex color code, with the background tinted to match.
Hours and minutes encoded as overlapping Fibonacci-sized blocks, in the style of the famous Fibonacci wall clock.
The day divided into 10 decimal hours, 100 decimal minutes, and 100 decimal seconds.
Tells the time in words, like 'quarter past three,' updating live as the minutes change.
Minimal dark bedside clock. Auto-dims after 30 seconds. Touch to brighten. Designed to stay open all night.
Where are you in your body's daily rhythm right now? Shows peak alertness, energy, and ideal sleep windows.
A mesmerizing visual of time where the hands recursively sprout smaller rotating hands, creating a self-similar branching pattern in perpetual motion.
Fun & Games
Test your sense of time
Test your reaction speed in milliseconds. Compare to human averages. Track your personal best.
How accurate is your sense of time? Try to stop at exactly 30 seconds, 1 minute, 5 minutes.
A secret random time is set. Stop it exactly at zero. Tests your internal sense of time.
A tachistoscope reading pacer designed to eliminate subvocalization. Adjustable speed targets from 400 to 1000 WPM.
Test your typing speed in words per minute (WPM) and accuracy. Multiple layout presets, timing targets, and live statistics.
Measure your cognitive working memory capacity. Recalls numeric and letter sequences forwards or in reverse digit span.
Test your sense of timing and internal rhythm. Keep the beat after the metronome sound fades away.
Measure your click speed in clicks per second (CPS) and diagnose mouse double-clicking switch issues.
Test your mental math speed. Solve addition, subtraction, multiplication, and division equations as fast as you can.
Also Available in Tools
These time tools live in the Utility Tools section — click to open them there.