In a few regions, however, the legal time kept is not that of one of the 24 standard time zones because half-hour or quarter-hour differences are in effect there. Time API Services Related Time Zone Tools. Time is the same throughout each zone and differs from the international basis of legal and scientific time, Greenwich Mean Time (GMT) or Coordinated Universal Time (UTC), by an integral number of hours minutes and seconds are the same. Daylight Saving Time Time Zone Abbreviations Time Zone News Time Tools Overview Related Link. The first of his longitudinal day was centred on the meridian. In it, he proposed 24 time zone of 1 hour that he describe has longitudinal days. Never warp your brain with time zone math again. Find meeting times for your contacts, locations and places around the world. That year, he published the idea in his book Miranda. Easily find the exact time difference with the visual Time Zone Converter. Quirico Filopanti, an Italian mathematician, proposed the first worldwide time zones in1858. These meridians are theoretically the centres of 24 standard time zones in practice, the zones have in many cases been subdivided or altered in shape for the convenience of inhabitants. The meridian of Rome and the first time zone world map. UTC Coordinated Universal Time is the common time standard across the world. Explore the intricate divisions of time across different regions, allowing you to plan your travels, schedule. Our interactive 'Time Zone Maps' offer a visual representation of time zones worldwide. Learn why time zones were introduced and how they are adjusted for DST changes.
The present system employs 24 standard meridians of longitude (lines running from the North Pole to the South, at right angles to the Equator) 15º apart, starting with the prime meridian through Greenwich, England. Gain insights into how time zones shape our lives in different regions and how they have evolved over time. Find out the time zone and offset to UTC of any city or country on this map. Following this initiative, in 1884 delegates from 27 nations met in Washington, D.C., for the MeridianĬonference and agreed on a system basically the same as that now in use. Sir Sandford Fleming, a Canadian railway planner and engineer, outlined a plan for worldwide standard time in the late 1870s. The need for a standard time was felt most particularly in the United States and Canada, where several extensive railway routes passed through places that differed by several hours in local time. Takes into account all DST clock changes. World time and date for cities in all time zones. UTC is Coordinated Universal Time, GMT is Greenwich Mean Time. India Standard Time is a half-hour time zone. This time zone is in use during standard time in: Asia. Some such standard became increasingly necessary with the development of rapid railway systems and the consequent confusion of schedules that used scores of different local times kept in separate communities (local time varies continuously with change in longitude). UTC (GMT/Zulu)-time: Saturday, Maat 16:09:25. India Standard Time (IST) is 5:30 hours ahead of Coordinated Universal Time (UTC). The concept of standard time was adopted in the late 19th century in an attempt to end the confusion that was caused by each community's use of its own solar time. Reproduction or re-use may require payment of a license fee. This map, in the three formats provided above, is a copyrighted production of H.M. PNG map (237 Kbytes) suitable for printing. PDF map (1.1 Mbytes) suitable for printing. The whole of China, one of the largest countries in the world, has decided to adopt a single time zone. Click on image for a higher resolution version (237 Kbytes). With incomparable time-telling precision, World Clock is the perfect point of reference for travelers and business people alike. Standard time the time of a town, region or country that is established by law or provides accurate world time, statistics and weather in major cities across the world. Business Date to Date (exclude holidays)Īustralia, Australian Capital Territory, Canberra *Ĭanada, Newfoundland and Labrador, St.Copyright © 1997 - 2015 Wayana Software.