How many time zones are supported?
Currently 30+ major time zones covering all inhabited continents from UTC to Pacific, Tokyo, Dubai, Sydney, and more.
Tool Categories
Free Time Zone Converter | 1ClickTools
Convert time between global time zones instantly. Supports 30+ cities and time zones. Free, no signup, works in your browser.
Frequently Asked Questions
Does it handle Daylight Saving Time?
Yes, the tool uses your browser's built-in time zone database which respects DST rules automatically for each region.
Can I see the current time in both zones without converting?
Yes, the tool shows the live current time in both selected zones at the top of each panel, updating in real-time.
How do I swap the two time zones?
Click the swap button (double arrows) between the two panels to instantly reverse the conversion direction.
How accurate is this time zone converter tool?
All processing runs entirely in your browser using verified algorithms. Results are computed with full double-precision — no server-side rounding or data transmission occurs.