Timezone Bar

Timezone Bar - Multi-Timezone Clock Display
Never lose track of time across different zones. Timezone Bar is a lightweight, privacy-focused browser extension that displays current times for multiple timezones in a sleek bar at the bottom of your browser.
KEY FEATURES

50+ Major Timezones - Choose from UTC and cities worldwide including all US time zones, major European, Asian, Australian, and South American locations
Customizable Display - Select exactly which timezones you want to see (default: UTC + US Eastern, Central, Mountain, Pacific)
Flexible Time Formats - Display times in 12-hour, 24-hour, or both formats simultaneously
Collapsible Interface - Hide the bar when you need to see content at the bottom of pages, then restore it instantly with one click
Smart Defaults - Option to start collapsed on every page if you prefer minimal screen usage
Timezone Limit Control - Set maximum displayed timezones (1-15) with optional enforcement to maintain clean UI
Search & Filter - Quickly find timezones by searching cities or regions
Live Updates - Times update every second with optional seconds display toggle
Clean Design - Dark gradient theme that blends seamlessly with your browsing experience

PERFECT FOR

Remote teams coordinating across time zones
International travelers and digital nomads
Developers working with global APIs and servers
Stock traders monitoring multiple markets
Anyone scheduling meetings with international colleagues
Streamers coordinating with global audiences

PRIVACY FIRST

No tracking or analytics
No external network requests
No data collection
All timezone calculations happen locally in your browser
Settings stored only on your device

HOW IT WORKS

Install the extension
Timezone bar appears at the bottom of every webpage
Click the gear icon to customize your settings
Select which timezones to display
Collapse/expand as needed with the arrow button

SETTINGS & CUSTOMIZATION
Access settings via the gear icon to configure:

Time format (12hr/24hr/both)
Show/hide seconds
Select specific timezones from 50+ options
Set maximum timezone display limit
Choose to start collapsed by default
Organized timezone selection by region

NO SUBSCRIPTION REQUIRED
Completely free with all features unlocked. If you find it useful, you can support development via the optional "Buy Me a Coffee" link (which can be permanently dismissed with one click).
TECHNICAL DETAILS

Uses native browser timezone database for accurate conversions
Lightweight vanilla JavaScript - no frameworks
Syncs settings across browsers when signed into Chrome/Edge
Works on all websites
Minimal resource usage

SUPPORT & UPDATES
This extension is actively maintained. Feature requests and bug reports are welcome.
Built by developers, for anyone who needs to keep track of time across the globe.