How to use World Clock
The world clock displays the current time across dozens of major cities and time zones worldwide, updating every second. It shows local time, UTC offset, date and whether Daylight Saving Time is currently active. Use it to find the current time anywhere in the world without mental offset arithmetic.
- View the live world clock — times update every second.
- Search or filter by city or region.
- Click any row to use that time zone in the Time Zone Converter.
- Pin your most-used cities to keep recurring collaboration regions visible first.
- Compare UTC offsets before scheduling meetings close to DST transition dates.
Your data never leaves your device — 100% private processing.
Reading a world clock
Each entry shows the city name, current local time, UTC offset and date. When DST is active, the offset shifts by +1 hour from the standard offset. Use the world clock for immediate reference; for planning across time zones, use the Time Zone Converter where you can enter a specific date and time.
Worked examples
Noon UTC around the world
Inputs: 12:00 UTC reference
Result: New York 07:00 (EST) · London 12:00 · Tokyo 21:00
Finding overlap with Europe
Inputs: 9:00 AM–5:00 PM New York (EST)
Result: = 2:00 PM–10:00 PM London (GMT)
Standard UTC offsets for major cities (DST shown where it applies)
| City | Standard offset | Daylight-saving offset |
|---|---|---|
| Los Angeles | UTC−8 (PST) | UTC−7 (PDT) |
| New York | UTC−5 (EST) | UTC−4 (EDT) |
| London | UTC+0 (GMT) | UTC+1 (BST) |
| Dubai | UTC+4 | No DST |
| Mumbai | UTC+5:30 (IST) | No DST |
| Tokyo | UTC+9 (JST) | No DST |
| Sydney | UTC+10 (AEST) | UTC+11 (AEDT) |
Glossary
- UTC offset
- The hours and minutes difference between a local time zone and UTC.
- GMT
- Greenwich Mean Time — the solar time at the Prime Meridian; approximately equal to UTC.
- DST
- Daylight Saving Time, a seasonal clock shift that changes local UTC offset in some regions.
- IANA time zone
- A canonical time zone identifier such as America/New_York used by modern software and browsers.
Related reading
Frequently Asked Questions
Why use World Clock?
- Displays live, second-by-second local times for dozens of cities without any calculation from you
- Shows UTC offset and active DST status per city so you know the real current offset at a glance
- Refreshes automatically, making it reliable for monitoring time-sensitive global operations
- Links directly to the Time Zone Converter so you can plan future meetings from any listed city
Common use cases
- Glance at Tokyo, Frankfurt and Chicago time simultaneously before opening a multi-region trading window
- Decide the best hour to call a Sydney client from London without counting time zones manually
- Monitor whether a global ops team in Auckland and Dublin are both within business hours
- Check the current time in a city when booking accommodation with local check-in rules
- Confirm whether a city has already switched to DST before scheduling an early-morning call
Get weekly tool tips & updates
New tools, power-user tips, and productivity hacks — delivered free every Friday.
No spam, ever. Unsubscribe with one click.
Related Date & Time
Time Zone Converter
Convert time across global time zones with UTC offsets, daylight-saving awareness, and side-by-side city comparisons for accurate meeting planning.
Hours Calculator
Calculate hours and minutes between two times. Add multiple time intervals for timesheets. Optional pay calculator. Free online time duration calculator.
Time Zone Meeting Planner
Plan a meeting across time zones. Pick a date and time in your zone and see the local time for teammates worldwide, with daylight saving handled automatically.
Countdown Timer
Create countdown timers to any event. See days, hours, minutes, and seconds remaining. Save multiple countdowns and share them. Free online countdown timer.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and vice versa. Supports seconds and milliseconds. Shows UTC, local, and ISO 8601 formats.
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between two dates. Includes a working-days count — free, instant, and accurate.
Explore all Date & Time.