Now
New · Pro tools
Pro Stopwatch
Four professional modes for athletes, makers, and meticulous trackers. Track laps, run multiple timers in parallel, visualize pace over time.
Standard
Precise to the millisecond
Lap
Track each round with best & worst
Multi
Run several stopwatches in parallel
Pace
Visualize your tempo on a chart
New · Mark the moment
Count every moment
From birthdays to wedding days, exams to new years — set a date, name it your own, share with anyone, embed on any site.
Custom dates
Birthdays, weddings, exams — type your title
Holiday presets
Christmas, New Year, Songkran, vacation
Shareable links
Send a link — recipients see the same countdown
Embed widget
Paste on your blog, school page, anywhere
New · Specialized timers
A timer for every moment
Pomodoro, Tabata, meditation, recipes, speeches, naps — ten purpose-built timers, each with the right sounds and pacing for what you're doing.
Pomodoro 25/5
Classic, Animedoro, 90-min focus, study
Tabata · HIIT · Boxing
Interval rounds with sharp audio cues
Meditation · breathing
4-7-8, box breathing, soft bells
Brew & recipe
Eggs, tea, coffee, parallel kitchen timers
Speech & presentation
Counts up with 80% / 100% warnings
Sleep & nap
Power nap, sleep cycles, gentle fade-out
Choose a mood
Tools for every minute
New · Alarm clock
Wake up your way
Set multiple alarms with custom sounds. Smart sleep-cycle wake-up so you rise rested. Wake-up light makes mornings gentler.
Open AlarmMultiple alarms
Independent alarms, each with a label and days
Smart wake-up
90-minute sleep cycle calculator
Six wake sounds
Classic, gentle, bell, digital, chirp, radar
Wake-up light
Gradient brightens 15 min before alarm
New · Date calculator
Every date question
How old am I in days? Working days until a deadline? What week is it? All the answers, beautifully.
Open Date CalculatorDate difference
Years, months, days, hours, minutes between any two dates
Live age counter
Your age down to the second — updates in real time
Business days
Working days excluding weekends
"Days until…"
Quick lookup for any future or past date
New · For global teams
Across time zones
Convert times, find a meeting slot across continents, calculate flight arrivals, plan jet-lag recovery.
Open Time ToolsTZ converter
Any city to any city, with offset
Meeting finder
Find overlap across 6 time zones
Flight duration
Arrival time accounting for TZ
Jet lag plan
Recovery plan based on travel direction
Move, play, discover
New · Fitness tools
Train by the numbers
Running pace calculator, marathon predictor, swimming pace, cycling time/distance and a HIIT interval timer — every workout calculation, beautifully done.
Open Fitness ToolsPace calculator
Running pace per km and per mile, with km/h and mph
Marathon predictor
Predict 5K, 10K, half and full marathon finish times
Swimming pace
Per 100m, per lap, total laps for any pool length
HIIT timer
Work/rest intervals with warm-up and audio cues
Focus, learn, build
New · Productivity
Track every minute
Toggl-style time tracker, weekly timesheets, overtime and payroll calculations, deadline planner and a habit tracker with streaks.
Open ProductivityTime tracker
Track hours per project; daily, weekly, monthly totals
Timesheet calculator
Total weekly hours with breaks deducted
Overtime + payroll
Regular and overtime pay with threshold and multiplier
Habit tracker
Daily check-ins with streak and 14-day visualization
New · Learning
Read, type, learn
Paste an article to see how long it takes to read. Test your typing speed in WPM. Time a class with built-in breaks. Run a synchronized study-group timer.
Open Learning ToolsReading time estimator
Paste any article, see normal, speed, and audiobook times
WPM typing test
Words per minute with live accuracy feedback
Class timer
Class duration with break, audio chime when each ends
Study group timer
Pomodoro-style focus/break with named members
New · For developers
Every timestamp tool
Unix to human dates, ISO 8601, cron expression with next-run preview, date format strings, epoch references and a regex tester for time patterns.
Open Dev ToolsUnix ↔ human
Convert in either direction, sec or ms, with live clock
Cron + next runs
Parse and explain cron; preview the next 5 runs
Date format converter
Custom tokens plus 8 common preset formats
Time regex tester
Built-in patterns for HH:MM, ISO, dates, Unix
New · Conversions
Every time unit
Convert seconds to centuries, decimal time, speed-time-distance, BPM to milliseconds for musicians, frame rates and timecodes for editors.
Open ConversionsTime unit converter
Nanoseconds to millennia, all at once
Speed-Time-Distance
Solve any one given the other two, multiple units
BPM ↔ ms (music)
9 note durations in ms and Hz for any tempo
Frame rate ↔ timecode
10 FPS presets, frames-to-timecode and back
New · Music & rhythm
Find your beat
Online metronome with adjustable time signatures, tap tempo to find any song's BPM, and a BPM calculator that shows every note duration for any tempo.
Open Music ToolsOnline metronome
20–300 BPM with 2/4 through 7/8 time signatures
Tap tempo finder
Tap any rhythm and get the BPM instantly
BPM calculator
9 note durations in ms and Hz for any tempo
Keyboard ready
Press Space to start the metronome, T to tap
New · Time tests & games
Test your reflexes
Reaction time test, tap speed (CPS), aim trainer, time perception, typing speed and blink test — six time-based games with scores and history.
Try the TestsReaction time
Average human reaction is ~250 ms — can you beat that?
Clicks per second
5/10/15 second sprints with personal best tracking
Aim trainer
Hit as many targets as you can in 15 seconds
Time perception
Guess when 10 seconds have passed — no clock allowed
New · Fun calculators
Your life, in numbers
Your age in seconds, dog years, life countdown, heartbeats since birth, coffee total, Mars age, century calendar and this day in history — ten viral time calculators.
Explore Fun ToolsLife countdown
Years, days, hours, minutes and seconds remaining
Heartbeats
How many times has your heart beat since you were born?
Dog & cat years
Convert any human age to dog or cat years
Age on other planets
Your age on Mercury through Neptune
Stars & sacred time
New · Astrology & zodiac
Your stars and signs
Western, Chinese and Thai zodiac signs from your birth date, plus numerology, life path number, Chinese zodiac compatibility and a simplified astrology birth chart.
Discover Your SignsWestern · Chinese · Thai
All three zodiac systems from one birth date
Full numerology
Life path, expression, soul urge and personality numbers
Compatibility
12×12 Chinese zodiac matching with percentage match
Birth chart
Sun, Moon and Ascendant signs from your birth time
New · Religion & sacred times
Sacred moments, daily
Islamic prayer times for any city worldwide, Ramadan countdown, Buddhist holy days (วันพระ), Easter date calculator, Christmas countdown and 40-day Lent calendar.
Open Sacred TimesIslamic prayer times
Fajr, Dhuhr, Asr, Maghrib and Isha for any city
Ramadan countdown
Live countdown to Ramadan with daily fasting tracker
วันพระ Buddhist holy days
Next 8 Uposatha days from the lunar calendar
Easter & Christmas
Easter date for any year + live Christmas countdown
Embed, track, share
New · Embeddable widgets
Put a clock anywhere
Generate embeddable clock, countdown and timer widgets for your website or blog — plus a distraction-free fullscreen presenter timer for talks and workshops.
Build a WidgetEmbeddable clock
Live clock widget — copy-paste into any blog or page
Countdown & timer
Embed countdowns for launches, events and offers
Fullscreen presenter
Distraction-free timer for talks with warning colors
Custom theme URL
Brand colors and fonts, shareable via URL
New · Specialty trackers
Track every milestone
Anniversary tracker with silver, gold and platinum milestones, relationship counter, pet age calculator, plant growth timer, aquarium maintenance scheduler and custom reminders.
Open TrackersTogether for…
Live counter — years, months, days, hours, seconds
Pet age calculator
Dog, cat, rabbit, parrot — in human years
Plant & aquarium
Growth stages and maintenance scheduling
Custom reminders
Any X-year milestone, recurring daily/weekly/yearly
New · Share & social
Time, together
Shareable countdown links, group meeting scheduler with a clickable grid, team availability viewer across time zones, and live event countdowns with YouTube and Twitch embeds.
Open Social ToolsShared countdown link
Create a countdown and share the URL — works anywhere
Group scheduler
Find the best time — click slots, share the URL
Team across timezones
Visualize team working hours in UTC overlap
Live event countdown
YouTube and Twitch embeds with start countdown