Time Zone Converter
Convert live clock times across global time zones (UTC, EST, PST, GMT, IST, JST).
time zone-converter Inputs
About Time Zone Converter
The World Time Zone Converter & Meeting Planner translates dates and times across all global IANA time zones (UTC, GMT, EST, PST, CST, CET, IST, JST, AEST) with Daylight Saving Time (DST) offsets and overlapping business hour sliders.
How to Use Time Zone Converter
Step 1
Select your source city/time zone and set the meeting time.
Step 2
Add target participant cities (e.g. New York, London, Tokyo).
Step 3
Drag the visual time slider to find the optimal overlapping time.
Step 4
Click "Copy Meeting Schedule".
Practical Use Cases for Time Zone Converter
Remote Team & International Meeting Scheduling
Find overlapping working hours across distributed engineering teams spanning San Francisco, London, Tokyo, and New York.
Global Webinar & Product Launch Planning
Publish accurate localized launch timestamps for international customers across different time zones.
Input & Output Examples
Converting 9:00 AM PST to UTC and Tokyo (JST)
Time: 9:00 AM PST (America/Los_Angeles)
UTC: 17:00 (5:00 PM) | London (GMT): 17:00 | Tokyo (JST): 02:00 Next Day
Key Features & Performance
- ✓Complete database of 400+ IANA global time zones.
- ✓Interactive visual 24-hour multi-city comparison slider.
- ✓Automatic Daylight Saving Time (DST) offset adjustment.
- ✓Business hours overlay highlighting green overlapping work intervals.
- ✓100% Client-Side time conversion.
- ✓1-Click Copy localized time list.
Key Terminology & Definitions
IANA Time Zone Database (tzdb)
The authoritative global repository of historical and current time zone rules and daylight saving transitions (e.g. `America/New_York`).
UTC (Coordinated Universal Time)
The primary international time standard by which the world regulates clocks and time without daylight saving shifts.