World Clock • Live World Times

World Clock

See the current time around the world at a glance. Compare live clocks, local dates and time differences, search any supported city, state or country, and build a personal World Clock that stays saved in your browser.

Your Local TimeCurrent local time
UTC Right NowCurrent UTC time
Your Local DateToday's local date

My World Clock

Add, remove and reorder your most useful locations. Your selections stay in this browser, with each clock showing the local date and difference from your current time zone.

World Time at a Glance

Scan the same instant across major global cities. The difference column is calculated against the time zone reported by your browser.

Compare time zones →
LocationCurrent TimeLocal DateDifference From YouCurrent-Time Page
New YorkLive timeLocal dateTime differenceNew York time
LondonLive timeLocal dateTime differenceLondon time
ParisLive timeLocal dateTime differenceParis time
DubaiLive timeLocal dateTime differenceDubai time
IndiaLive timeLocal dateTime differenceIndia time
SingaporeLive timeLocal dateTime differenceSingapore time
TokyoLive timeLocal dateTime differenceTokyo time
SydneyLive timeLocal dateTime differenceSydney time
Los AngelesLive timeLocal dateTime differenceLos Angeles time
São PauloLive timeLocal dateTime differenceSão Paulo time
Live Date Line View

Where Is It Already Tomorrow?

World time is also about the calendar date. These live labels compare each location's local date with yours, so you can see where it is already tomorrow, still today or still yesterday.

See Today's Date

New York · Checking date London · Checking date India · Checking date Tokyo · Checking date Sydney · Checking date Auckland · Checking date Hawaii · Checking date

Current Time Across U.S. Cities

Compare precise city clocks across the major U.S. time-zone regions, then move to the dedicated U.S. city directory or Cluster 2 for the underlying time-zone entities.

Browse U.S. cities →

World Time and UTC

UTC is the global reference behind world-time comparisons. CalendarHours calculates each location's date-aware difference from UTC and from your browser time zone rather than hardcoding one seasonal offset.

UTC NowCurrent UTC time
Your TimeCurrent local time
Your OffsetCurrent UTC offset

What Is a World Clock?

A world clock shows the current local time in multiple places at the same moment. CalendarHours combines live clocks with local dates and the difference from your current time zone, making it faster to answer practical questions such as whether it is morning in London, already tomorrow in Tokyo or still the previous day in Hawaii.

This page owns world-clock discovery and comparison. A specific country's, state's or city's “time in X / current time in X” intent belongs to that location's canonical Cluster 1 page, while formal time-zone entities, offsets, abbreviations, daylight-saving guides and conversions belong to Cluster 2.

How CalendarHours Calculates World Time

CalendarHours uses IANA time-zone identifiers with the browser's standards-based time-zone implementation. The clocks update every second and the displayed local date, offset and time difference are calculated for the current instant, so seasonal daylight-saving changes can be reflected automatically where they apply.

The page also attempts a same-origin server-time check using the HTTP Date header. If that check succeeds, CalendarHours uses the server reference; if it does not, the clocks continue with the device clock. CalendarHours does not claim independent NIST synchronization.

Sources & Methodology

The World Clock uses canonical IANA time-zone identifiers and date-aware browser time-zone rules. Its internal links follow the official CalendarHours World Clock and Time Zones SILOs: location current-time intent stays in Cluster 1, while time-zone entities and tools stay in Cluster 2.

Reviewed for 2026: August 10, 2026. The URL remains evergreen; live clock values and date relationships change automatically.

World Clock FAQ

What is a world clock?

A world clock shows current local time in multiple places at the same moment. CalendarHours also shows local dates and each selected location's current time difference from you.

What time is it around the world right now?

The live clocks on this page show the same current instant formatted in each location's IANA time zone. They update automatically and can be switched between 12-hour and 24-hour time.

Can I add cities to my World Clock?

Yes. Use My World Clock to add supported locations, remove them or move them up and down. Your selections are saved in this browser so they can remain available when you return.

Why can it be tomorrow in another country?

Local calendar dates change at midnight in each time zone. Because time zones span the globe, one place can already be on the next calendar date while another is still on today or yesterday.

Does the World Clock adjust for daylight saving time?

Yes. CalendarHours formats each clock using the time-zone rules available to your browser for the current date, so seasonal offset changes are reflected where daylight saving time is observed.

What is the difference between World Clock and Time Zones?

World Clock is for finding and comparing current time by location. The Time Zones section owns time-zone entities, abbreviations, UTC/GMT offsets, daylight-saving guides and conversions.

How does CalendarHours calculate world time?

CalendarHours uses IANA time-zone identifiers with the browser's Intl implementation and attempts a same-origin CalendarHours server-time check. If that check is unavailable, the clocks use the device clock as the time reference.