TimezoneHelper — World Clock for Remote Teams

複数タイムゾーンの現在時刻をポップアップで即確認。ページ上の日時にホバーで瞬時変換。無料: 5タイムゾーン。Pro: 無制限。

TimezoneHelper shows a live multi-timezone clock panel in your browser toolbar. Add any city or UTC offset, see what time it is there right now, and convert any meeting time to all your team's timezones instantly. **Key Features:** - Live clocks for up to 10 time zones simultaneously (free) - Search and add any city or UTC offset - Meeting time converter: input a time and see it in all your time zones - "What time is it in [city] when it's 3pm here?" quick query - Daylight saving time aware — automatically adjusts - Share a time in all zones as a formatted text snippet - Pro: unlimited clocks and cross-device sync - Works fully offline for clock display **Who is it for?** Remote workers scheduling meetings across multiple time zones, global team leads coordinating internationally, freelancers working with clients across the world, and anyone who regularly converts "3pm EST" to their local time. **Privacy & Trust:** TimezoneHelper uses browser APIs for time calculation — no external server needed for core functionality. Payment processing is handled by ExtensionPay. Anonymous analytics via Google Analytics 4 only. Install TimezoneHelper — always know what time it is for your team.