Time Zone Converter
Convert time between 42 global time zones with second-accuracy and DST awareness.
Last updated: April 29, 2026
UTC
UTC +0UTC
Thu, Jul 23, 06:01:00
New York
UTC -4America/New_York
Thu, Jul 23, 02:01:00
London
UTC +1Europe/London
Thu, Jul 23, 07:01:00
Tokyo
UTC +9Asia/Tokyo
Thu, Jul 23, 15:01:00
Kolkata
UTC +5.5Asia/Kolkata
Thu, Jul 23, 11:31:00
How to Compare
Set the reference time you want to convert from.
Search and add global cities to your comparison list.
Toggle between 12h/24h formats for easy reading.
The converter automatically adjusts for Daylight Saving Time based on the selected date and location.
Time Zone Converter — No Uploads Required
Our Time Zone Converter is a utility designed for global teams, travelers, and developers. It allows you to instantly convert and compare times across 42 major global time zones with 100% accuracy. The tool is fully Daylight Saving Time (DST) aware, meaning it automatically adjusts for seasonal time changes based on the specific date and location. Built with the native Intl API, it ensures that your conversions are always synchronized with international standards. You can set a base time and see how it reflects across your selected zones, making it perfect for scheduling international meetings or verifying server logs.
Why This Tool Exists
What makes this useful — and why I built it this way.
Schedule with Confidence: Never miss an international meeting by accurately calculating time differences across regions.
Avoid DST Confusion: Let the tool handle complex seasonal shifts so you don't have to manually track when zones change.
Developer Ready: verify Unix timestamps or local times when debugging international application data.
Zero Latency: Calculations happen instantly in your browser without any server-side delays.
Clean & Minimalist: A focused interface that eliminates clutter and gets you the data you need immediately.
When You'd Use This
Real situations where this tool saves the day.
Remote Teams: Coordinate meeting times across multiple continents without the 'who is in what zone' headache.
Travel Planning: Calculate arrival times and check local times before you land in a new country.
Event Planning: Set global launch times for webinars or product releases to ensure everyone joins at once.
Log Analysis: Convert UTC server timestamps into multiple local times to track user behavior globally.
Financial Trading: Keep track of market opening and closing times across NYSE, LSE, and Tokyo Stock Exchange.
Using Time Zone Converter
It's straightforward — here's how it works.
Select your base time zone and set the reference time you want to convert.
Add additional target time zones from the searchable dropdown menu.
Observe the instantly updated converted times in the comparison list.
Toggle between 12-hour and 24-hour formats to match your preference.
Click on any result to copy the formatted time string to your clipboard.
Questions People Ask
Honest answers about how this works.
Is it accurate for Daylight Saving Time?
Yes, our converter uses the IANA time zone database via the browser's Intl API, which is updated regularly to handle DST changes globally.
How many time zones can I compare?
Great question. You can add and compare as many time zones as you need in a single view.
Does it work offline?
Short answer: Yes, since all calculations are done locally in your browser, the tool remains fully functional even without an internet connection once loaded.
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