Skip to content

World Time Buddy

Plan meetings across timezones with a visual time zone converter.

Not yet verified
Demo online
MIT

Open the official app on www.worldtimebuddy.com

This tool is hosted by its maintainers. Click below to open www.worldtimebuddy.com in a new tab — it's their official demo.

Browse converters tools →

What's next with World Time Buddy?

Choose how you want to get started.

Use it free

Open the official tool or demo — no account needed.

Free

Self-host it

Run the open-source version on your own infrastructure.

Open

What is World Time Buddy?

World Time Buddy is an open-source web tool designed to simplify time zone conversions and help users coordinate activities across different regions. Its primary purpose is to provide a clear, visual representation of time differences between locations, enabling users to schedule meetings, webinars, or events without confusion. The tool is particularly useful for individuals and teams operating in multiple time zones, such as remote workers, international businesses, and educators conducting global classes. By eliminating the need for manual calculations, it solves the common problem of misaligned schedules caused by varying time zones. The interface allows users to compare multiple time zones simultaneously, mark weekends, and integrate with calendar systems like Outlook and Google Calendar. Its simplicity and accessibility make it a practical solution for both personal and professional use.

How it works

World Time Buddy is a web-based time zone converter that displays current times across selected locations, highlighting differences in a user-friendly format. It enables users to quickly determine the best time to schedule international communication by aligning multiple time zones on a single view. The tool addresses the challenge of coordinating activities across geographically dispersed teams by providing real-time time zone data and visual comparisons. It is particularly valuable for users needing to plan virtual meetings, webinars, or collaborations without relying on complex manual calculations. The tool allows users to input multiple time zones, displaying current times, date changes, and daylight saving adjustments. For example, it shows London (BST) and Cairo (EEST) times side-by-side, with timestamps for each hour. It also supports marking weekends and integrating with calendars to sync events across time zones. A mobile app is available for on-the-go scheduling, though specific features are not detailed in the evidence.

How to use it

  1. 1Navigate to the World Time Buddy website and select the 'Time Converter' or 'World Clock' view. 2. Add time zones by clicking 'Add Timezone' and searching for locations like London or Cairo. 3. Adjust settings to mark weekends or enable calendar integrations. 4. Use the 'Event' widget to set reminders for scheduled meetings across time zones. Practical tips include using the 'Link to this view' feature to share schedules with others and leveraging the calendar sync options for automatic event updates. The mobile app can be used to access time zone data offline, though specific functionality remains unspecified in the evidence.

What it can do

  • meeting planner

Use cases

Assumptions and limitations

Assumptions

  • source: https://www.worldtimebuddy.com/
  • license: Open source
  • privacy: Opens an external demo

Limitations

  • Limited details on advanced calendar integration beyond Outlook/iCal and Google Calendar
  • No explicit support for historical time zone data or daylight saving adjustments in past years
  • Mobile app functionality is mentioned but not elaborated on in the evidence
  • No mention of customization options for time zone lists or export capabilities
  • Basic UI may lack features like timezone grouping or advanced filtering

Understanding the result

Plan meetings across timezones with a visual time zone converter.

Tool details

  • Clearly flagged when a network request is needed.
  • No account, no sign-up, and no tracking of your content.
  • Powered by (MIT).
Built with
(https://www.worldtimebuddy.com/)
License
MIT
Runs locally
No — requires a network request
Verification
Not yet verified
Input
Query
Output
Text
Open-source source & license

Built with https://www.worldtimebuddy.com/. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.

Built with
License
MIT
View source on GitHub

Open-source project

OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.

References

Frequently asked

How does World Time Buddy handle daylight saving time changes?

The tool automatically adjusts for daylight saving time by displaying the correct time zone abbreviations and timestamps. For example, it shows London as BST (British Summer Time) during the summer months and GMT in winter. However, the evidence does not specify how historical DST changes are handled or if manual adjustments are required for past dates.

Can I sync events from World Time Buddy to my calendar?

Yes, the tool integrates with Outlook/iCal and Google Calendar, allowing users to link events directly. When creating an event, the system automatically adjusts start and end times for all selected time zones. The evidence does not clarify if this sync is automatic or requires manual confirmation, but the 'Event' widget suggests calendar integration is a core feature.

How do I schedule a meeting between London and Cairo using this tool?

Add both London (BST) and Cairo (EEST) to the time zone list. The tool will display their current times side-by-side, showing the time difference. For example, if a meeting is scheduled for 3:06 PM in London, it will appear as 5:06 PM in Cairo. Use the 'Event' widget to set reminders and sync the event to your calendar for all participants.

How does World Time Buddy compare to alternatives like World Time Atlas?

World Time Buddy focuses on simplicity and direct time zone comparisons for scheduling, while World Time Atlas offers more detailed maps and historical time zone data. Both tools are open-source, but World Time Buddy emphasizes calendar integration and event planning, whereas World Time Atlas prioritizes geographic visualization and time zone history.

What should I do if a time zone isn't showing correctly?

Verify that the time zone abbreviation (e.g., BST for London) is correctly entered, as the tool relies on standard abbreviations. If the issue persists, check for updates or ensure your browser is not blocking the site. The evidence does not specify error handling for invalid time zones, but the 'Settings' menu suggests options for troubleshooting display issues.

Spotted something wrong with World Time Buddy, or want to maintain it? See how to help.