Multi-Timezone Converter with City, Abbreviation & IANA Support
Convert time zones quickly and accurately with our advanced multi-timezone converter. Whether you’re planning international meetings, tracking live events, or coordinating schedules, our tool delivers precise and trustworthy results.
Select Your Origin Timezone:
Manually choose your starting timezone using official IANA names (e.g., America/New_York), common abbreviations (EST, PST), or by entering a city name. This ensures your conversion begins with the correct local time.
Enter Date and Time (12-Hour/24-Hour Options):
Set the moment you wish to convert using our intuitive date-time picker. It supports both 12-hour and 24-hour formats and adapts smoothly when real-time mode is active.
Customize Your Output Time Format:
Choose from thirteen predefined datetime formats—including ISO 8601 and US short date—or create your own custom format with Moment.js tokens to ensure your output meets your specific needs.
Select Destination Timezone(s):
Select one or more destination timezones for conversion. Use quick-add and clear-all options to manage your selections with ease—ideal for keeping track of schedules in different regions.
View Instantly Updated Converted Time:
Watch your conversion results update in real-time with accurate clock displays. This feature is perfect for live event tracking and global scheduling.
Share Your Conversion Results:
Easily generate shareable links to quickly communicate your conversion results with colleagues.
Utilize Undo/Redo & Version Control:
With a detailed 30-step action history, you can effortlessly undo or redo changes, ensuring you never lose progress during complex conversions.
Toggle Real-Time Mode for Live Clock Synchronization:
Activate real-time mode to continuously update clocks across your selected timezones, ensuring you always have the most current time information at your fingertips.
Advanced Features for Professional Timezone Management
- Automatic Daylight Saving Time Adjustments: Precisely handles DST transitions for over 500 timezones with historical data dating back to 1970.
- Military Time Converter with NATO Phonetics: Provides optional 24-hour displays with phonetic alphabet cues for enhanced timing accuracy.
Timezone Conversion Tips & Best Practices
Watch for "Hidden" Date Changes
When converting times across the International Date Line (e.g., Fiji to Hawaii), a 2-hour flight can land 22 hours "earlier". Always verify the *date* in both zones—especially for deadlines or travel plans.
Cities with the Same Clock, Different Sun
Madrid (UTC+1) and Lagos (UTC+1) share a time zone but have wildly different sunrise/sunset times. Use solar calculators for events tied to daylight (e.g., outdoor streaming) to avoid mismatched expectations.
The 45-Minute Island Exception
The Chatham Islands (New Zealand) use UTC+12:45—a rare offset. While unusual, your converter handles such offsets automatically. This highlights why manual time math can be risky—automated tools like this one ensure accuracy.
Time Zones Can Change Overnight
Countries occasionally shift time zones for political reasons (e.g., Samoa skipped a day in 2011). For critical conversions, check if a region’s time zone has changed in the last 5 years.
Timezone Conversion FAQs: Answers & Troubleshooting
Why does my converted time show the wrong *date*?
This happens when converting between zones with a 12+ hour difference. Example: 8:00 PM in Tokyo (UTC+9) is 5:00 AM *the same day* in New York (UTC-4), but 8:00 PM in Auckland (UTC+12) is 4:00 AM *the next day* in New York.
Do all countries switch to DST on the same date?
No! The EU shifts on March 31/Oct 27, the U.S. on March 10/Nov 3, and Australia on April 7/Oct 6. Misaligned DST dates can create temporary 1-3 hour differences between regions that usually align.
How do I handle time zones for a country with multiple offsets?
Russia spans 11 zones, but cities like Moscow (UTC+3) and Vladivostok (UTC+10) are often confused. Always specify the *exact city or region*, not just the country, for conversions.
Why do some small islands have unique offsets?
Islands like Newfoundland (UTC-3:30) or the Cocos Islands (UTC+6:30) align offsets with trading partners or historical ties. Always verify offsets for islands—they’re often exceptions.
Popular Timezone Conversions
- Mumbai → Dubai
- Singapore → San Francisco
- London → Tokyo
- Los Angeles → Sydney
- Paris → New York
- Beijing → Singapore
- Johannesburg → Dubai
- Sao Paulo → London
- New York → London
- Mumbai → London
- Tokyo → New York
- Singapore → London
- San Francisco → Tokyo
- Berlin → New York
- Paris → Dubai
- London → Sydney
- Dubai → Singapore
- New York → Mumbai
- Chicago → Tokyo
- Hong Kong → London
- Toronto → Berlin
- Dubai → London
- Mumbai → New York
- San Francisco → Singapore
- Sydney → London
- Tokyo → Paris
- Berlin → Singapore
- Beijing → New York
- Toronto → London
- Dubai → Sydney
How We Convert and Display Time Data
- @vvo/tzdb and city-timezones: Accurately map timezone abbreviations and city names to their corresponding timezones.
- moment-timezone and moment: Handle precise time conversions and formatting, ensuring every output meets your exact requirements.
- react-datetime-picker: Delivers an intuitive interface for selecting dates and times, enhancing your overall user experience.
Share Our Tool
Love our Multi-TimeZone Converter? Share it with your colleagues and friends on social media: