What Is a World Clock?
A world clock displays the current time in multiple cities and time zones simultaneously. It is an essential tool for remote teams, international travelers, and anyone who needs to coordinate across different regions of the globe without manually calculating time differences.
How to Use This World Clock
- The clock automatically displays the current local time for 14 major cities around the world, updating every second.
- Each city shows the current time, date, UTC offset, and a day/night indicator (dark background for nighttime).
- Compare the times at a glance to schedule meetings, calls, or travel plans across zones.
Key Concepts
Time zones are regions that observe the same standard time, typically offset from Coordinated Universal Time (UTC). Many regions also observe daylight saving time (DST), shifting their clocks forward by one hour during warmer months. Some time zones use half-hour or quarter-hour offsets, such as India (UTC+5:30) and Nepal (UTC+5:45). This tool automatically applies the correct offset, including DST, for each selected city.
Frequently Asked Questions
Does the world clock update for daylight saving time?
Yes. The tool uses the IANA time zone database, which tracks DST transitions automatically. When a region shifts to or from DST, the displayed time adjusts accordingly.
Which cities are displayed?
The clock shows 14 major cities spanning all major time zones: New York, Los Angeles, London, Paris, Berlin, Moscow, Dubai, Mumbai, Singapore, Beijing, Tokyo, Seoul, Sydney, and Auckland.
Are half-hour and quarter-hour time zones supported?
Yes. Zones like India Standard Time (UTC+5:30), Chatham Islands (UTC+12:45), and others with non-standard offsets are fully supported and display accurate local times.