World Digital Clock

A beautiful, real-time world clock application displaying multiple time zones simultaneously.

Features

✨ Live Updates — Clock updates every second
🌍 Multiple Timezones — Add any valid IANA timezone
💾 Persistent Storage — Your timezone list is saved to your browser
🎨 Modern Dark UI — Sleek glassmorphism design
📱 Responsive Design — Works on desktop, tablet, and mobile
🔄 Format Toggle — Switch between 12-hour and 24-hour time formats
🎯 Auto-Detection — Add your local timezone with one click

How to Use

1. Open index.html in your web browser
2. Add Timezones by:
   • Typing a timezone name (e.g., America/New_York, Asia/Tokyo)
   • Clicking "Add" or pressing Enter
   • Clicking "Add Local" to automatically add your current timezone
3. View Live Clocks for all your selected timezones
4. Remove Timezones by clicking the ✕ button on any card
5. Toggle Time Format using the 24-hour checkbox

Timezone Examples

Popular IANA timezone names:

• UTC
• Europe/London
• Europe/Paris
• America/New_York
• America/Chicago
• America/Los_Angeles
• Asia/Tokyo
• Asia/Shanghai
• Asia/Hong_Kong
• Asia/Kolkata
• Australia/Sydney
• Pacific/Auckland

Full list: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones

Technical Details

• Built with: Pure HTML5, CSS3, and vanilla JavaScript
• No dependencies — Works offline after first load
• Browser Storage: Uses localStorage to persist your settings
• Timezone API: Uses JavaScript's Intl.DateTimeFormat for accurate timezone handling

Browser Support

Works in all modern browsers:

• Chrome/Edge 24+
• Firefox 29+
• Safari 10+
• Opera 15+

License

Free to use and modify.