WorldTime
世界時鐘轉換器會議規劃器計時器精確時間

工具

  • 世界時鐘
  • 時區轉換器
  • 會議規劃器
  • 計時器
  • 碼錶
  • Date Calculators
  • Exact Time
  • Public Holidays
  • Airports

Regions

  • Americas
  • Europe
  • Asia
  • Africa
  • Oceania

Popular Cities

  • New York
  • São Paulo
  • Mexico City
  • London
  • Paris
  • Berlin
  • Tokyo
  • Shanghai
  • Mumbai
  • Lagos

轉換器

  • EST to PST
  • PST to IST
  • GMT to EST
  • CET to EST
  • IST to GMT

© 2026 WorldTime. 保留所有權利。

城市資料來源:GeoNames(CC BY 4.0)。時區資料來源:IANA 時區資料庫。

  1. WorldTime
  2. 世界時鐘

世界時鐘

全球主要城市的目前時間。

Track live time across multiple cities on one screen. The clocks update every second from your browser's clock, adjusted against the IANA timezone database, so daylight saving transitions are handled automatically on the correct dates for each zone.

Add any of 33,000 cities to your dashboard. Your selection persists in local storage, so the same set of cities loads on every visit. Day and night indicators show whether each city is currently in daylight, and the working-hours overlay highlights when business hours overlap across the zones you follow, useful for scheduling meetings with remote teammates.

Popular cities

New YorkLondonTokyoDubaiSingaporeSydneyLos AngelesParisBerlinMumbaiShanghaiSão Paulo

Frequently asked questions

How accurate is the time shown?
The clocks read your device's local clock and apply IANA timezone offsets to compute each city's current time. Accuracy depends on your device clock, which most operating systems keep within a few seconds of real time via NTP. For millisecond-level reference against atomic clocks, use the Exact Time page, which measures your drift against NTP servers in the browser.
Does the world clock handle daylight saving time?
Yes. Each city is linked to its IANA timezone (for example, America/New_York or Europe/London), which carries the full history and rule set for daylight saving transitions. Clocks switch on the correct dates automatically, so the time you see always reflects the current local offset, whether standard or daylight.
Can I save the cities I add to my dashboard?
Yes. Your selection persists in your browser's local storage, so the same cities load on every visit from the same device and browser. The list does not sync across devices or browsers. To share a single city's clock with others, use the embeddable iframe widget on the Widgets page.

Browse by region

AmericasEuropeAsiaAfricaOceania