Online Alarm Clock

What Is a World Clock?

A world clock shows the current time in multiple cities and time zones simultaneously. It's essential for anyone working with international teams, scheduling calls across continents, or simply keeping track of friends and family abroad.

How to Use the Online World Clock

1. Your local time is displayed prominently at the top.
2. Below it, you'll see a list of world cities with their current time, date, and UTC offset.
3. Click Add City to search and add any city to your dashboard.
4. Hover over a city card and click the × button to remove it.
5. Your selections are saved automatically so they persist when you return.

Features

• 45+ cities: Major cities across every continent and time zone.
• Day/night indicator: Sun and moon icons show whether it's currently daytime or nighttime in each city.
• Live updates: Times update every second in real time.
• Persistent settings: Your selected cities are remembered via local storage.
• Search & filter: Quickly find cities by name or country.

Common Use Cases

• Remote work: Coordinate meetings across time zones with distributed teams.
• Travel planning: Check destination times before booking flights or hotels.
• International business: Know when offices and markets are open worldwide.
• Staying connected: Call family and friends at appropriate hours.

FAQ

Does the world clock adjust for daylight saving time?

Yes. The clock uses your browser's built-in timezone database (IANA), which automatically handles daylight saving time transitions for every supported city.

Can I add custom time zones?

Currently, you can choose from 45+ major cities worldwide. The list covers all 24 primary UTC offsets including half-hour and quarter-hour zones like India (UTC+5:30) and Nepal (UTC+5:45).