Trading Clock - Global Stock Market

24-hour global market trading status clock. Click the toolbar icon to view real-time open/close status of each exchange.

Trading Clock is a lightweight Chrome extension that shows the real-time trading status of 20 major stock exchanges across 14 countries — right from your toolbar. WHAT IT DOES • Displays live open, closed, pre-market, after-hours, lunch break, and night session status for each exchange • Shows a precise local time and countdown for every market • Groups 20 global exchanges: SSE, SZSE, NYSE, NASDAQ, HKEX, TSE, KRX, SGX, NSE, ASX, TWSE, SET, TSX, B3, LSE, XETRA, Euronext, SIX, MOEX, JPX • Accounts for local trading holidays and half-days KEY FEATURES • Toolbar badge — green number shows how many markets are currently open; an amber dot means markets are in active phases (pre-market, after-hours, etc.) • Customizable notifications — get browser alerts minutes before any market opens or closes, configurable per event type • Drag & drop reorder — arrange markets in the order that matters to you • Dark / Light theme — automatic or manual toggle • Bilingual interface — Chinese and English, switch instantly inside the extension • Holiday-aware — holidays and special trading days are baked in so you never see a false "open" on a market holiday • Lightweight — pure client-side, no background network requests, no data collection PERMISSIONS USED • alarms — to wake the background service worker every minute for badge and notification checks • notifications — to show optional desktop alerts when a market is about to open or close • storage — to persist your preferences (hidden markets, language, theme, notification settings) This extension does not collect, transmit, or sell any user data. All calculations run locally in your browser.