Time zone map gmt4/10/2024 ![]() ![]() The GMT/UTC minus 4 hours offset is used by quite a few countries in the Caribbean, with no change throughout the year, as no Daylight Saving Time is applied. Swatch even invented a concept called beat time that split each day into 1,000 beats on a decimal system, eradicating time zones entirely.įor those of you who don't operate on Internet Time, this spreadsheet shows the time zone in 195 countries, extracted from our World Factfiles series. GMT-4 is 4 hours behind Greenwich Mean Time (GMT). US also has the Samoa (UTC-11:00) and Chamorro. The time zone map aims to make time easywithout having to do the math. As Earth rotates on its axis, it moves about 15 degrees every 60 minutes. This can make coordinating across the US rather challenging. The development of the world wide web in the 1990s led to calls for a standardised internet time, as people in cyberspace were no longer bound by geography. To build the time zone map, they studied Earths movements. Many countries have more than one time zone. The following map displays the standard time zones across the world. Zulu Time Zone is also commonly used at sea between longitudes 7.5 West and 7.5 East. Where and When is Z Observed Zulu Time Zone is often used in aviation and the military as another name for UTC +0. Kiribati even extended its time zone 600 miles east in 1995, to include Caroline Island in the same zone (and, as it straddled the Date Line opposite the GMT meridian, the same date) as the country's other islands. As can be seen, although there is a general standard throughout the world for defining time zones, it is still highly dependent on the country, and is subject to change. Zulu Time Zone (Z) has no offset from Coordinated Universal Time (UTC). ![]() Other time zones are counted to the east and west of this line, either plus or minus hours from GMT.Įach country sets its own time zone within this framework, so some zones extend beyond the meridian for convenience, while others, like India, take on half hours. The prime meridian, determined by the 1884 conference, runs through Greenwich, in the UK, giving us Greenwich Mean Time. Most platforms support time zones of the form Etc/GMT+n and Etc/GMT-n. The worldwide standard for coordinated universal time, formerly known as GMT. ![]() The zones are based on 24 longitudinal meridian lines that run from the north to south poles. On Windows only: An attempt is made (once only per session) to map Windows. (Match the time bar color to the map color). The Meridian Conference in 1884, attended by representatives from various countries, led to the creation of the 24 time zones we use today. However, if we have a Java 7 and before a project, we can still achieve the same result by relying on the globalisation in the Victorian era meant a need to standardise time zones, as businesses began to operate across wider areas and world travel became easier with the advent of the railway.
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