World clock

 

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    Size

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    How it works

    1. Read your time

      Your local time is at the top, in big digits, with the date and your UTC offset.

    2. Add your cities

      Tap “Add a city”, turn the wheel or type a name. Remove a city with its cross.

    3. Compare at a glance

      Each card shows the time there, the day and the gap with you. Your list is kept for next time.

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    What time is it around the world right now?

    The big clock at the top shows your own time, read from your device. Below it, each card shows the current time in one city, the day (today, tomorrow or yesterday) and the gap with you, for example “+6 h”. Everything updates live, second by second, and accounts for daylight saving time automatically.

    Add a city with the “Add a city” button: turn the wheel or type the first letters of its name. Remove one with the small cross. Your list and its order stay in this browser, so the clock looks the same the next time you open it. Tap a city name to open its own page, with its time zone, its clock changes and the best hours to call.

    How time zones work

    Every local time is defined as an offset from Coordinated Universal Time (UTC), the reference kept by atomic clocks. New York is UTC-5 in winter, Paris UTC+1, Tokyo UTC+9. Inhabited places range from UTC-11 (American Samoa) to UTC+14 (the Line Islands of Kiribati), a 25-hour spread: for one hour every day, three different dates are in use on Earth at the same time.

    Not every offset is a whole hour. India is on UTC+5:30, Iran on UTC+3:30, Newfoundland on UTC-3:30, and Nepal on UTC+5:45. Borders matter more than geography: all of China uses one time zone, while Spain uses the same time as Berlin even though Madrid lies west of London. That is why the only reliable source is the time zone database built into your phone or computer, which this clock reads directly.

    Daylight saving time: why the gap moves

    Many countries move their clocks forward one hour in spring and back in fall, but not on the same day. Europe changes on the last Sunday of March and the last Sunday of October. The United States and Canada change on the second Sunday of March and the first Sunday of November. For two or three weeks in March, and for one week around the end of October, the gap between New York and London is 4 hours instead of 5. In the southern hemisphere it runs the other way: Sydney moves forward in October and back in April.

    Region20262027
    European Union, UK, SwitzerlandForward Sun, Mar 29
    Back Sun, Oct 25    		Forward Sun, Mar 28
    Back Sun, Oct 31
    United States, CanadaForward Sun, Mar 8
    Back Sun, Nov 1    		Forward Sun, Mar 14
    Back Sun, Nov 7
    Southeastern AustraliaForward Sun, Oct 4
    Back Sun, Apr 5    		Forward Sun, Oct 3
    Back Sun, Apr 4
    New ZealandForward Sun, Sep 27
    Back Sun, Apr 5    		Forward Sun, Sep 26
    Back Sun, Apr 4
    Mainland ChileForward Sun, Sep 6
    Back Sat, Apr 4    		Forward Sun, Sep 5
    Back Sat, Apr 3
    Japan, China, IndiaNo changeNo change

    Most of Asia and Africa, and a growing part of the Americas, never change their clocks: Brazil stopped in 2019 and Mexico in 2022, apart from its border cities. The dates above come from the same database as the clock, so they are always in step with it.

    What changed in 2026

    Several places changed their rules this year. British Columbia and Alberta sprang forward on March 8, 2026, and decided to stay there: they no longer fall back in November. Manitoba followed and keeps UTC-5 all year from the end of October 2026. On the other side of the Atlantic, Morocco left UTC+1 and went back to GMT on September 20, 2026. If an old device still shows the previous rules, update its system: the clock on this page uses the time zone data of your browser.

    UTC offsets of major cities

    Offsets in January and in July 2027. A different value in the two columns means the city uses daylight saving time.

    CityJanuaryJuly
    HonoluluUTC-10UTC-10
    AnchorageUTC-9UTC-8
    Los AngelesUTC-8UTC-7
    DenverUTC-7UTC-6
    ChicagoUTC-6UTC-5
    New YorkUTC-5UTC-4
    São PauloUTC-3UTC-3
    LondonUTC+0UTC+1
    ParisUTC+1UTC+2
    CairoUTC+2UTC+3
    MoscowUTC+3UTC+3
    DubaiUTC+4UTC+4
    New DelhiUTC+5:30UTC+5:30
    BangkokUTC+7UTC+7
    BeijingUTC+8UTC+8
    TokyoUTC+9UTC+9
    SydneyUTC+11UTC+10
    AucklandUTC+13UTC+12

    Tips for calls and meetings across time zones

    • Look for the overlap. Between New York and Paris, the office hours that work for both are New York’s morning, which is Paris’s afternoon. Between Los Angeles and Tokyo, it is the late afternoon in Los Angeles, which is the next morning in Tokyo.
    • Write the time zone with the time. “3 PM ET” or “15:00 CET” avoids most mistakes. On a page shared with people abroad, add the UTC offset.
    • Check the date as well as the time. A call on Monday at 3 PM in San Francisco takes place on Tuesday morning in Sydney: at 10 AM in January, at 8 AM in July.
    • Be careful in March, October and November. These are the weeks when the gap between Europe and North America shifts by an hour.

    To turn a precise hour into the time of another city, use the time zone converter. For a big clock on a screen, the full screen clock shows your own time. And to wake up at the right time after a trip, there is the online alarm clock.

    All 168 cities

    Europe

    Amsterdam · Antwerp · Athens · Barcelona · Basel · Berlin · Bern · Birmingham · Bordeaux · Brest · Brussels · Bucharest · Budapest · Cologne · Copenhagen · Dublin · Edinburgh · Florence · Frankfurt · Funchal · Geneva · Glasgow · Hamburg · Helsinki · Istanbul · Kyiv · Las Palmas de Gran Canaria · Lille · Lisbon · London · Luxembourg · Lyon · Madrid · Málaga · Manchester · Marseille · Milan · Monaco · Montpellier · Moscow · Munich · Nantes · Naples · Nice · Oslo · Palermo · Palma de Mallorca · Paris · Ponta Delgada · Porto · Prague · Reykjavík · Rome · Salzburg · Santa Cruz de Tenerife · Seville · Stockholm · Strasbourg · Toulouse · Turin · Valencia · Venice · Vienna · Warsaw · Zurich

    North America and the Caribbean

    Anchorage · Atlanta · Boston · Calgary · Cancún · Chicago · Dallas · Denver · Detroit · Fort-de-France · Guadalajara · Halifax · Havana · Hermosillo · Honolulu · Houston · Las Vegas · Los Angeles · Mérida · Mexico City · Miami · Monterrey · Montreal · New York · Ottawa · Philadelphia · Phoenix · Pointe-à-Pitre · Port-au-Prince · Quebec City · Regina · San Diego · San Francisco · Seattle · St. John’s · Tijuana · Toronto · Vancouver · Washington, D.C. · Winnipeg

    South America

    Belém · Belo Horizonte · Bogotá · Brasília · Buenos Aires · Caracas · Cayenne · Curitiba · Fortaleza · Lima · Manaus · Montevideo · Porto Alegre · Recife · Rio Branco · Rio de Janeiro · Salvador · Santiago · São Paulo

    Africa and the Indian Ocean

    Abidjan · Algiers · Antananarivo · Cairo · Casablanca · Dakar · Johannesburg · Kinshasa · Lagos · Mamoudzou · Nairobi · Port Louis · Saint-Denis · Tunis

    Asia and the Middle East

    Bangkok · Beijing · Beirut · Doha · Dubai · Ho Chi Minh City · Hong Kong · Jakarta · Jerusalem · Karachi · Kathmandu · Kuala Lumpur · Manila · Mumbai · New Delhi · Riyadh · Seoul · Shanghai · Singapore · Taipei · Tehran · Tel Aviv · Tokyo

    Oceania

    Auckland · Brisbane · Melbourne · Nouméa · Papeete · Perth · Sydney

    Questions

    What is UTC?

    UTC, Coordinated Universal Time, is the world’s reference time, kept by atomic clocks. Every time zone is defined as an offset from it: New York is UTC-5 in winter, Tokyo UTC+9. UTC never changes for daylight saving time.

    Is GMT the same as UTC?

    For everyday use, yes: both show the same time. GMT is also the name of the UK’s winter time zone, while UTC is the scientific standard. In summer London switches to BST (UTC+1), but UTC does not move.

    How many time zones are there in the world?

    There are 24 one-hour bands in theory, but countries use about 38 different local offsets, from UTC-11 to UTC+14, including half-hour and 45-minute offsets such as India (UTC+5:30) and Nepal (UTC+5:45).

    Which country has the most time zones?

    France, with 12 time zones once its overseas territories are counted, from French Polynesia (UTC-10) to New Caledonia (UTC+11). Russia and the United States follow with 11 each.

    Why does the time difference with the US change in March and November?

    Because Europe and North America do not change their clocks on the same day. The US moves forward on the second Sunday of March and back on the first Sunday of November, Europe on the last Sundays of March and October. In between, the usual gap is one hour shorter.

    Which countries do not use daylight saving time?

    Most of Asia and Africa, and many countries in the Americas: Japan, China, India, Brazil (since 2019), Mexico (since 2022, except the border cities), Argentina, and the US states of Arizona and Hawaii. In 2026, British Columbia, Alberta and Manitoba also stopped changing their clocks.

    Does the world clock adjust for daylight saving time?

    Yes. Each city’s time is computed by your browser from the official time zone database, which includes every clock change. Nothing needs to be set by hand.

    Why does a city show “tomorrow”?

    Because it is already past midnight there. When it is 8 PM in Los Angeles in winter, it is already 1 PM the next day in Tokyo. The card shows “tomorrow” or “yesterday” as soon as the date differs from yours.

    Is my list of cities saved?

    Yes, in this browser only, on this device. Nothing is sent to a server. Clearing your browsing data resets the list to its default cities.

    What is the International Date Line?

    It is the line in the Pacific Ocean, roughly along the 180th meridian, where the date changes. Crossing it westward, you skip a day; eastward, you live the same date twice. Samoa and Kiribati moved to its western side to share the working week with Australia and Asia.

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