World Clocks
World Clocks is a Firefox browser extension that replaces the new tab page with customizable clocks for multiple time zones. Users can add or remove time zones, assign custom names, convert times, and switch between 12-hour and 24-hour formats.
Overview
7 featuresIn the Calendars, reminders & holidays space, World Clocks takes a focused approach. It focuses on checking multiple time zones and converting times without leaving the browser's new tab page. It is built as a consumer product for firefox users who work across time zones. World Clocks costs nothing to use. It ships for the web, embeddable surfaces, macOS, Windows, and Linux.
Behind World Clocks is Mason, and it first shipped in 2025. Among its 7 catalogued features are Timezone Clocks, Add Timezones, and Remove Timezones. The interface is available in 32 languages, including Czech, German, and Greek.
Summary written by a language model from the project’s public pages.
- Timezone Clocks
- Add Timezones
- Remove Timezones
- Custom Names
- Time Conversion
- 12/24-Hour Format
- New Tab Replacement
Built with & integrations
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
Frequently asked questions about World Clocks
- What is World Clocks?
- World Clocks focuses on checking multiple time zones and converting times without leaving the browser's new tab page. It is catalogued under Calendars, reminders & holidays on PulseGate.
- Who should use World Clocks?
- World Clocks is a consumer product built for firefox users who work across time zones.
- Is World Clocks free?
- Yes — World Clocks is free to use.
- What platforms does World Clocks run on?
- World Clocks runs on the web, embeddable surfaces, macOS, Windows, and Linux.
- Is World Clocks still maintained?
- Unverified. World Clocks has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
- What are alternatives to World Clocks?
- Similar projects tracked by PulseGate include World Clock Time Zones, Mini World Clock, and Clock New Tab Page.World Clock Time ZonesMini World ClockClock New Tab Page
- Who develops World Clocks?
- World Clocks is developed by Mason.
- How long has World Clocks been around?
- World Clocks first shipped in 2025.
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