Precise
Drift-corrected clocks. Timers accurate to the millisecond. No rounding, no shortcuts.
clockunit.com
Time,
well kept.
Timers, alarms, world clocks, and date math — all on one quiet page.
Wednesday
May 20, 2026
10:18:39 PM
Live local time, updated every second, with today's day and date in one place.
Why Clockunit
Quiet
No popups, no streak-shaming. Just the tool you came for.
Always-on
Works offline after first load. Keyboard-first, tab-friendly, mobile-ready.
How it works
01 ——
Pick a tool
Timer, Pomodoro, World Clock, Alarm, Stopwatch — or one of the date calculators. Everything is one click away.
02 ——
Set it up
Duration, time zones, preset names. Settings live close to the surface — visible when needed, out of the way when not.
03 ——
Use it anywhere
Browser tab, phone, second monitor. Sign in to sync presets and timers. Works without an account if you prefer.
The tools 7 weeks
Timer . Ready
25:00
Clockunit Timer
Countdown Timer
Countdowns, lap presets, multi-timer. Runs in the background.
Stopwatch · Running
00:12.34
Lap 1 recording…
Clockunit Stopwatch
Stopwatch
Centisecond accuracy, unlimited laps, best/worst split highlighting.
Alarm · Set for 7:00 AM
07:00
AM Alarm armed
Clockunit Alarm
Online Alarm Clock
Set an alarm for any time. Sound loops until dismissed, with snooze.
Focus
Short
Long
24:59
Clockunit Pomodoro
Pomodoro
Focus loop, task list, and gentle break cues. No gamification.
Tokyo · JST
21:00
London · BST
13:00
Clockunit World
World Clocks
Clock gallery across time zones, with a meeting planner overlay.
Meeting · 09:00 ET
🇺🇸New York09:00
🇬🇧London14:00
🇯🇵Tokyo23:00
Clockunit Meeting
Meeting Planner
Find the best meeting time for remote teams spread across multiple time zones.
Age Calculator
14 Sep 2001
→ Today
24
YRS
7
MO
6
DAYS
Clockunit Dates
Age Calculator
Age, date difference, duration, and date arithmetic in one place.
Time Duration
09:15
to 17:45
Duration
08h 30m
Clockunit Duration
Time Duration Calculator
Calculate time between hours and minutes for work shifts, schedules, and daily planning.
Date Difference
Apr 27, 2026
Jun 15, 2026
Difference
49 days
Clockunit Date Math
Date Difference Calculator
Find the exact number of days, weeks, months, or years between two dates.
Portrait — warm natural light
Muhammad
Founder, Clockunit
“I built Clockunit because every stopwatch I opened shouted at me. I wanted a tool that would just keep time — calmly, precisely, and without asking anything in return.”
Muhammad · Founder, Clockunit
Previously at Pynwheel and Microverse.
Previously at Pynwheel and Microverse.