World Clock

Display current time in up to 12 user-configured cities with a meeting planner.

World Clock is a privacy-focused Chrome extension that helps you track the current time across multiple cities directly from your browser. It is designed for remote workers, global teams, freelancers, business travelers, students, international families, customer support teams, project managers, and anyone who regularly works across time zones. Instead of searching the web for “time in London” or opening a separate clock website, World Clock gives you a clean popup where you can view the time in up to 12 user-configured cities at once. The extension is built for fast, everyday time-zone awareness. After adding your preferred cities, you can open the extension popup and instantly see each city’s name, local time, date, and UTC offset. This makes it easy to compare locations at a glance. Whether you are coordinating with colleagues in New York, clients in London, family in Tokyo, developers in Berlin, or partners in Sydney, World Clock helps you understand everyone’s local time without leaving Chrome. World Clock works entirely inside your browser and does not use any external API. No data is ever transmitted to third-party servers. Your configured city list, clock order, time format preference, and usage activity remain on your own device. The extension does not upload your saved cities, does not send your browser activity to outside services, and does not rely on cloud-based time-zone lookup. All time calculations are handled locally using browser-supported time and date functionality. Privacy is especially important for a tool that reflects your personal or professional network. The cities you track may reveal where your coworkers, clients, family members, offices, suppliers, or business partners are located. World Clock is designed so that information stays private. It does not require an account, does not sync through third-party servers, does not call external APIs, and does not transmit your configured locations anywhere. Your world clock setup remains local to your browser. One of the key features of World Clock is support for up to 12 user-configured cities simultaneously. This is useful for people who work with several locations across different regions. A project manager may need to monitor Singapore, San Francisco, London, Berlin, and Sydney. A support team may need to track customer coverage in multiple markets. A student may want to follow time zones for online classes, family, and international friends. With up to 12 clocks, the extension gives enough flexibility for complex schedules while keeping the popup manageable. Each clock includes the city name, current local time, date, and UTC offset. The city name makes the list easy to scan. The local time shows what time it is right now in that location. The date helps prevent confusion when cities are on different calendar days. This is especially useful when coordinating between Asia, Europe, and the Americas, where one person may already be on tomorrow’s date while another is still on the previous day. The UTC offset gives a precise reference point for users who work with formal schedules, logs, technical systems, travel planning, or international operations. World Clock also supports both 12-hour and 24-hour time formats. Users can choose the style that matches their preference or work environment. Some users prefer 12-hour time with AM and PM for everyday readability. Others prefer 24-hour time for business, travel, technical work, or international coordination. By supporting both formats, the extension can fit naturally into different workflows and regional habits. Another helpful feature is drag-and-drop reordering. Your most important cities can be placed at the top, while secondary locations can be moved lower in the list. This makes the popup feel personal and efficient. For example, you might keep your home city first, your main office second, and your most frequent client locations after that. If your priorities change, you can simply reorder the clocks without rebuilding the list from scratch. The meeting planner row is one of World Clock’s most practical features. It highlights overlapping business hours across all configured time zones simultaneously, helping you quickly identify better times for meetings. Coordinating across time zones can be frustrating because a convenient time in one city may be too early or too late somewhere else. The meeting planner row gives a visual cue for shared working-hour overlap, making it easier to choose meeting times that are fair and realistic for everyone. This feature is especially valuable for distributed teams. Remote work often means collaborating across countries, and poor time-zone planning can lead to meetings outside normal working hours. World Clock helps reduce that friction by showing when business hours overlap across your selected cities. A manager can quickly check whether a proposed meeting time works for all offices. A freelancer can find a reasonable call window for international clients. A team member can avoid accidentally scheduling a meeting during someone’s night or weekend. World Clock is also useful for travel and personal planning. If you are planning a trip, coordinating with hotels, booking calls, checking arrival times, or staying in touch with family across countries, the extension provides a simple reference point. You can keep destination cities visible before and during travel, making it easier to adjust to time differences and plan communication. Because the extension does not use external APIs, it remains lightweight, fast, and dependable. There is no server delay, no account login, no cloud dependency, and no third-party processing required. The popup is available directly in Chrome whenever you need it. This makes World Clock a practical daily utility for people who want quick time-zone information without unnecessary complexity. World Clock is ideal for anyone who needs a private, local, and easy-to-use multi-city clock. No external API is used. No data is ever transmitted to third-party servers. Your city list, clock preferences, time format, and usage remain on your own device. With support for up to 12 configurable cities, local time and date display, UTC offsets, 12-hour or 24-hour formatting, drag-and-drop clock ordering, and a meeting planner row for overlapping business hours, World Clock is a useful Chrome extension for global coordination. It helps you understand time zones at a glance, schedule more considerate meetings, and stay connected across regions while keeping your data private and secure inside your browser.