Clocks, timers & time math that actually slaps.
No sign-up, no uploads, no ads watching your stopwatch. Every tool runs live in your browser — pick one and go.
Stopwatch
Start, lap, and stop with precision.
Countdown Timer
Set minutes & seconds, get an alarm.
Multi-Timer
Run several countdowns at once.
Pomodoro Timer
Focus sprints with built-in breaks.
Interval / Lap Timer
Work & rest rounds for workouts.
Alarm Clock
Set a time, this tab will yell at you.
Flip Clock
A big beautiful live clock display.
Reaction Time Test
How fast are your reflexes, really?
Egg Timer
Soft, medium, or hard-boiled — one tap presets.
Tea & Coffee Timer
Preset brew times for tea and coffee.
Chess Clock
Two-player alternating countdown clock.
Live Punch Clock
Press to clock in, press to clock out — live running log.
Pace Calculator
Distance + time → running or cycling pace, and back again.
Tap Tempo / BPM Finder
Tap along to a beat and find its BPM.
Metronome
An adjustable-BPM audio click track.
Typing Speed Test (WPM)
Type against the clock and find your words-per-minute.
Multi-Countdown Dashboard
Track several custom countdowns on one screen.
Multi-Habit Streak Tracker
Track several "days since" streaks at once.
Days Since Last… Reset Sign
The office-style resettable counter — tap to reset to zero.
Time Blocking Day Planner
A simple visual grid to block out your day.
Timer Chain / Sequence Builder
Chain several named timers to run one after another.
Recurring Interval Reminder
A "ding every N minutes" repeating alert.
Time Capsule Note
Write a note that unlocks itself on a future date.
1 Minute Timer
Simple one-minute countdown with alarm.
2 Minute Timer
Simple two-minute countdown with alarm.
3 Minute Timer
Simple three-minute countdown with alarm.
5 Minute Timer
Simple five-minute countdown with alarm.
10 Minute Timer
Simple ten-minute countdown with alarm.
15 Minute Timer
Simple fifteen-minute countdown with alarm.
20 Minute Timer
Simple twenty-minute countdown with alarm.
25 Minute Timer
Simple twenty-five-minute countdown with alarm.
30 Minute Timer
Simple thirty-minute countdown with alarm.
45 Minute Timer
Simple forty-five-minute countdown with alarm.
1 Hour Timer
Simple one-hour countdown with alarm.
2 Hour Timer
Simple two-hour countdown with alarm.
Exam Timer
A distraction-free countdown built for test conditions.
Study Timer
Track focused study sessions with a clean countdown.
Meditation Timer
A gentle countdown with chime for meditation sessions.
Nap Timer
Set a short nap countdown so you wake up on time.
Presentation Timer
Keep your talk on schedule with a visible countdown.
Shower Timer
A quick countdown to keep showers short.
World Clock
See the time in cities around the globe.
Time Zone Converter
Convert a time between two zones.
Meeting Time Planner
Find overlap hours across time zones.
Meeting Cost Calculator
What is this meeting costing, live.
Jet Lag Calculator
Departure time + flight length → arrival time & adjustment estimate.
Daylight Saving Time Countdown
When do clocks next change in your time zone?
GMT/UTC Offset Calculator
Do the math with a plain UTC±HH:MM offset, no city lookup needed.
Live Departure/Arrival Clock Pair
Two live side-by-side clocks for planning calls abroad.
Team Availability Grid
See which teammates are in working hours right now.
Sleep Cycle Calculator
Best times to sleep or wake up.
Age Calculator
Exact age in years, months, days.
Date Difference
Days between any two dates.
Countdown to a Date
Days left until the big day.
Milestone Calculator
When do you hit 10,000 days old?
Retirement Countdown
Days left until you clock out forever.
Days Until Christmas & Holidays
Live countdown to Christmas, New Year & more.
Days Since Calculator
Track days since any date — habits, streaks, milestones.
Anniversary Countdown
Countdown to your next birthday or anniversary.
Leap Year Checker
Is this year a leap year? Find out instantly.
Life in Weeks Calculator
See your life visualized as a grid of weeks.
Day of the Week Calculator
What day of the week was — or will — any date be?
Age in Dog & Cat Years
Convert your age (or your pet's) to dog or cat years.
Zodiac Sign Calculator
Find your Western zodiac sign from a birth date.
Chinese Zodiac Calculator
Find your Chinese zodiac animal from a birth year.
Palindrome Date Finder
Find the next date that reads the same forwards & back.
Moon Phase Calculator
Find the moon phase for any date (pure date math, no location needed).
Sunrise & Sunset Calculator
Find sunrise and sunset times for any date and location.
Golden Hour Calculator
Find the best golden-hour photography light for any date and location.
Age Gap Calculator
Find the exact age difference between two people.
"How Old Was I When…" Calculator
Find your exact age on any past or future date.
"Time Until I Turn X" Calculator
Countdown to a specific future age.
Countdown to Next Season
Live countdown to the next equinox or solstice.
Work Anniversary Calculator
Years of service from a start date.
Retirement Age → Date Calculator
Birth date + target retirement age → exact date.
Local Solar Noon Calculator
Find the sun's highest point of the day for any longitude.
Countdown to Next Full Moon
Live countdown to the next full moon.
Live Sunset/Sunrise Countdown
A live countdown to the next sunrise or sunset.
Time Duration Calculator
Add or subtract hours & minutes.
Elapsed Time Calculator
Time between two clock times.
Work Hours Calculator
Clock-in/out into a timesheet total.
12h ⇄ 24h Converter
Flip between clock formats instantly.
Unix Timestamp Converter
Epoch seconds ⇄ human dates.
Business Days Calculator
Count working days between two dates, or add N days.
Add / Subtract Days, Weeks & Months
What date is 45 days from now?
Time Card Rounding Calculator
Round clock-in/out times to the nearest payroll increment.
Working Days Left This Month/Year
How many business days remain right now.
Time Left Today
A live countdown to midnight, right now.
Year Progress Bar
What percentage of this year has already happened?
Random Date Generator
Spin up a random date within any range.
Universal Time Unit Converter
Convert between seconds, minutes, hours, days, weeks & years.
Time Until the Weekend
A live countdown to Friday 5pm.
Same Time Next Week/Month/Year
What's the exact date & time N weeks, months, or years from now?
Work Week Progress Bar
What percentage of Mon–Fri has passed right now?
Month Progress Bar
What percentage of this month has passed?
Quarter Progress Bar
What percentage of this business quarter has passed?
Countdown to Any Year
A live countdown to the start of any future year.
Time Percentage Calculator
What % of a time period is a given duration?
Next Weekday Countdown
Countdown to the next occurrence of any weekday & time.
Playback Speed Time-Saver
See how much time you save watching at faster speeds.
Total Watch Time Calculator
Episode count & length → total binge-watch time.
Book Reading Time Estimator
Page count & reading speed → estimated finish time.
Turnaround Time Calculator
Order/request time + processing time → exact delivery date.
SLA Deadline Calculator
Start time + response window → exact deadline.
Weekly Timesheet Totals
Add up daily hours into a weekly total.
Overtime Threshold Calculator
Hours worked vs. weekly threshold → overtime hours.
Weekly Screen Time Total
Add up daily screen time into a weekly total.
Business Hours Countdown
How much longer until a business closes today?
Cron Expression Builder
Turn cron syntax into plain English.
Countdown Widget Generator
Embeddable countdown snippet for your site.
Random Time Generator
Spin up a random time or date.
ISO Week Number Calculator
Find the ISO 8601 week number for any date.
Day of Year / Julian Date
Which day number of the year is it?
Time Zone Abbreviation Lookup
What does EST, PST, GMT, or UTC mean?
Week Number → Date Converter
Enter a year and ISO week number, get that week's date range.
Clock Hands Angle Calculator
Find the angle between the hour and minute hands at any time.
Golden Ratio Time Splitter
Divide any time block into golden-ratio proportions.
Random Time Slot Picker
Pick randomly from a list of available time slots.