Productivity · Free tool
World Clock
Live multi-timezone clock. Add any city, save your zones to localStorage. Auto-handles DST. Free.
Los Angeles
—
America/Los_Angeles
New York
—
America/New_York
London
—
Europe/London
Berlin
—
Europe/Berlin
Tokyo
—
Asia/Tokyo
Singapore
—
Asia/Singapore
Sydney
—
Australia/Sydney
Add a city or time zone
Zone list saved to your browser localStorage. Clear it any time from your browser’s site settings; we never see it.
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What it does
Live multi-timezone clock with persistent zone list — saves your selected cities to localStorage so they're there next visit. Uses the IANA tz database via Intl, covering every locale Chrome / Safari / Firefox support natively (~600 zones).
Embed this tool on your siteShow snippetHide
Paste this snippet into any page. Loads on-demand (lazy), no tracking scripts, and sized to most dashboards. Replace the height to fit your layout.
<iframe src="https://freetoolarena.com/embed/world-clock" width="100%" height="720" frameborder="0" loading="lazy" title="World Clock" style="border:1px solid #e2e8f0;border-radius:12px;max-width:720px;"></iframe>How to use it
- Default zones are LA, NY, London, Berlin, Tokyo, Singapore, Sydney.
- Search the input to find any city or zone.
- Click + to add, × to remove. Zones persist across visits.
Frequently asked questions
- Do I need to handle DST?
- No. The IANA tz database accounts for daylight saving transitions in each zone automatically — Tokyo doesn't observe DST, but London/Berlin/NY do, and the clocks shift on the right dates.
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Learn more
Guides about this topic
- Productivity & Focus · GuideHow to Stay Productive DailyStay productive without hustle culture. Nine daily habits that keep output high and burnout away.
- How-To & Life · GuideMorning Routine for SuccessBuild a morning routine that sets up your day. Science-backed steps, realistic time blocks, no 4 a.m. talk.
- Productivity & Focus · GuideHow to Focus BetterFocus for 90 minutes at a time with three mechanics: environment, rhythm, and the one-tab rule.
- Productivity & Focus · GuideHow to Stop ProcrastinatingStop procrastinating with tactics that beat willpower: 2-minute rule, task framing, and environment design.
- Productivity & Focus · GuideTime Management Tips for StudentsManage your time as a student: time-block classes + study, use the pomodoro technique, protect sleep.
- How-To & Life · GuideHow to Wake Up EarlyWake up early without hating life. Shift your bedtime in 15-minute steps, fix your first 10 minutes.
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