Timezone Converter
Convert time between timezones instantly. Perfect for scheduling international meetings.
Source Time
Converted Times
Add Timezone
Built With Care
“This converter uses the browser's built-in Intl API to resolve timezone offsets, so daylight saving transitions are handled for every listed zone. All calculations happen client-side — no time data ever leaves your browser.”
Timezone Converter
Enter a time in one timezone and see what it is in others. Add multiple timezones to compare them side by side, with daylight saving adjustments handled automatically. Free, instant, and requires no account.
- 1Enter the source time and date you want to convert.
- 2Select the source timezone from the dropdown.
- 3View the converted times in multiple target timezones simultaneously.
- 4Add or remove target timezones as needed to build a comparison list.
- 5Use the swap button to quickly switch source and target.
- 6Copy any converted time with one click for pasting into invites.
- 7Hover a target card and use the X button to remove it, then re-add the zone from the Add Timezone list at any time.
- 8The copy action writes the label, time, date, and UTC offset as one line, for example 'London (GMT/BST): 14:30 2026-08-08 (UTC+01:00)'.
- Support for 20 popular world timezones with IANA identifiers
- Automatic daylight saving time handling for every zone
- Multiple target timezones at once for side-by-side comparison
- Real-time conversion as you type
- Shows the UTC offset for each timezone so you can verify accuracy
- 100% client-side — no server calls, no data stored
Timezone Converter Specs
Limits
- Converts across IANA time zones
- Handles DST transitions correctly
Formats
- Output: converted date/time per zone
- Input: ISO date or local picker
Defaults
- Detects browser local zone
- 24-hour clock in list view
How it works
- Intl.DateTimeFormat with timeZone
Honest caveats
- Scheduled events shift when zones change DST rules
- Historic DST data depends on the ICU version
Real Ways People Use This
Scheduling Meetings
Find the right time for cross-team meetings across multiple timezones without mental math or error-prone spreadsheets.
Travel Planning
Convert flight times, hotel check-ins, and event schedules to your local timezone before you board.
Remote Work Coordination
Align working hours between distributed teams in different parts of the world and avoid 3 AM standups.
Freelance & Client Calls
Confirm call times with international clients and include the UTC offset in calendar invites.
Live Events & Webinars
Convert event times for global audiences and share accurate local times in announcements.
Release and Deploy Windows
Confirm a UTC-based deployment window for distributed teams and note the exact local start time for each office.
Streaming and Sports Schedules
Convert match and broadcast times to your local zone so you never miss a scheduled start across timezones.
- Daylight Saving Time transitions are based on current rules. Historical or future DST changes may not be reflected.
- Some regions do not observe DST. The tool shows standard time for those locations.
- Timezone abbreviations (EST, PST) are ambiguous. Prefer full IANA timezone names when possible.
- 1Double-check the source date — the offset differs before and after DST switches.
- 2Verify the UTC offset shown matches your expectation for the selected zone.
- 3Confirm the meeting time in your own local zone before sending the invite.