World Clock
World Time and Time Zone Converter.
Time around the world
How to use
You can first browse and select the country in the dropdown list to view and choose the time zone. Then, you can select the time for that time zone in the time box. Multiple time zones can be set simultaneously for easy viewing.
About Time Zone Converter
A World Time and Time Zone Converter is a helpful tool that allows users to easily convert and compare times between different time zones around the globe. Whether you're planning international meetings, scheduling travel, or simply staying connected with friends and family in different parts of the world, this converter provides a convenient way to ensure accurate time synchronization.
With a World Time and Time Zone Converter, you can input a specific time and date in one time zone and instantly see its equivalent in another time zone. This simplifies the process of scheduling and coordinating activities across different regions, eliminating the need for manual calculations or searching for time zone information.
Time Zone
A time zone refers to a region on Earth where the time is determined based on a set of rules and standards. Each time zone has its own offset, which is used to convert local time to Coordinated Universal Time (UTC).
Time zones are typically represented by unique identifiers, such as "Asia/Shanghai," "America/Los_Angeles," "Europe/London," and so on. These identifiers follow specific naming conventions to indicate the geographic location of the time zone.
The division of time zones is usually based on lines of longitude, with Greenwich Mean Time (GMT) as the central reference point. Time zones to the east of GMT generally have positive offsets (later than GMT), while time zones to the west of GMT typically have negative offsets (earlier than GMT).
Time zones take into account factors such as Earth's rotation, geographic divisions, and daylight saving time (DST). DST is a practice of adjusting the clocks forward by one hour during the summer to extend daylight hours. Not all countries or regions observe DST, and those that do may adjust their clocks at appropriate times, further altering the offset of the time zone.
In computer programming, time zone information is typically provided by the operating system or specific libraries. Most programming languages offer functions and classes to handle time zone conversions, perform offset calculations, and format/parse date-time data with time zone information. These tools allow for the conversion of time between different time zones, offset calculations, and formatting and parsing of date-time data with time zone information.
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