Timezone Converter
Convert time between any two world time zones. Shows current time in major cities and lets you pick a custom date & time to convert.
Frequently Asked Questions
Select the source and target time zones, enter the date and time. The converter instantly shows the equivalent time in the target zone.
Yes. The converter uses the browser's Intl API which automatically applies the correct DST offset for the chosen time zone and date.
UTC (Coordinated Universal Time) is the global reference for all time zones. Other zones are UTC+X or UTC−X. It is equivalent to GMT and has no daylight saving offset.
Set From and To selectors to the two cities (e.g. New York and Tokyo) and enter any time. The result shows both times side by side so you can see the exact hour difference.
Understanding Time Zones
Time zones are regions of the world that observe a uniform standard time. The reference point is UTC (Coordinated Universal Time). Time zones are expressed as UTC+XX:XX or UTC-XX:XX, representing how many hours ahead or behind UTC they are.
Daylight Saving Time
Some regions observe DST, advancing clocks one hour in spring and setting them back in autumn. Our converter uses the browser's Intl API which automatically accounts for DST.