TimezoneCast — World Clock & Time Zone Converter
TimezoneCast is a free visual world clock and time zone converter. Compare multiple cities side-by-side, drag an interactive cursor to find overlapping working hours, and export calendar invites — no sign-up required.
Features
- Side-by-side world clock for multiple cities
- Interactive time cursor with drag support
- Working-hours overlap detection
- 30-minute grid toggle for finer scheduling
- Calendar invite (.ics) export
- Shareable URL with encoded state
- Fixed UTC offset support
- Dark mode support
- Date calculator across time zones
Frequently Asked Questions
- What is TimezoneCast?
- TimezoneCast is a free, visual time zone converter and world clock. It lets you compare multiple cities side-by-side, drag an interactive cursor to find overlapping working hours, and export calendar invites — all without signing up.
- How do I find the best meeting time across time zones?
- Add each attendee's city using the Add city button, then drag the time cursor. The working-hours band highlights 9 AM–6 PM for each city. Look for where all bands overlap — that's your meeting window.
- Can I share a time zone comparison with someone?
- Yes. Click the Share button and copy the URL. It encodes your entire setup — cities, selected time, and date — into the link. Anyone who opens it sees exactly what you configured. No account required.
- What cities and time zones does TimezoneCast support?
- TimezoneCast supports hundreds of cities worldwide using the IANA timezone database. You can also add any fixed UTC offset from UTC−12 to UTC+14.
- How do I export a calendar invite?
- Click the Event button, name your meeting, then click ICS to download a .ics calendar file. It opens in Google Calendar, Outlook, Apple Calendar, and any other app that supports the .ics format.
- Is TimezoneCast free to use?
- Yes, completely free. No ads, no sign-up, no usage limits. TimezoneCast is built for people who work across time zones.