Signs, which results in the Etc/GMT+n andĮtc/GMT-n time zones being reversed from common usage. and done EST stands for Eastern Standard Time. Simply mouse over the colored hour-tiles and glance at the hours selected by the column. US Time Zones Map Check current time in major cities of the United States of America. Timezone database that provides PHP's timezone support uses POSIX style This time zone converter lets you visually and very quickly convert EST to GMT and vice-versa. UTC, also known as Universal Time Coordinated, replaced the Greenwich Mean Time (GMT) in 1961 as the time calculation system by which all zones calculated their time. USA Time Clock & Map - check current local time in the USA - timezones, time difference, offset to GMT/UTC, summer/winter time conversion dates, actual official time in the US, United Satets free clocks. If you disregard the above warning, please also note that the IANA 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.Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces Enumerations Errors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Supported Protocols and Wrappers Security Introduction General considerations Installed as CGI binary Installed as an Apache module Session Security Filesystem Security Database Security Error Reporting User Submitted Data Hiding PHP Keeping Current Features HTTP authentication with PHP Cookies Sessions Dealing with XForms Handling file uploads Using remote files Connection handling Persistent Database Connections Command line usage Garbage Collection DTrace Dynamic Tracing Function Reference Affecting PHP's Behaviour Audio Formats Manipulation Authentication Services Command Line Specific Extensions Compression and Archive Extensions Cryptography Extensions Database Extensions Date and Time Related Extensions File System Related Extensions Human Language and Character Encoding Support Image Processing and Generation Mail Related Extensions Mathematical Extensions Non-Text MIME Output Process Control Extensions Other Basic Extensions Other Services Search Engine Extensions Server Specific Extensions Session Extensions Text Processing Variable and Type Related Extensions Web Services Windows Only Extensions XML Manipulation GUI Extensions Keyboard Shortcuts ? This help j Next menu item k Previous menu item g p Previous man page g n Next man page G Scroll to bottom g g Scroll to top g h Goto homepage g s Goto search 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. 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. When Daylight Saving Time rules are not in use, UK is on GMT (Greenwich Mean Time), which is the Standard Time. It currently abides by EU Daylight (Summer) Saving Time rules. 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. 12:11:15 PM GMT +00:00 The UK is in the Western European Time Zone. Apart from UK, GMT is used as a time zone in several other countries. The prime meridian, determined by the 1884 conference, runs through Greenwich, in the UK, giving us Greenwich Mean Time. The zones are based on 24 longitudinal meridian lines that run from the north to south poles. The Meridian Conference in 1884, attended by representatives from various countries, led to the creation of the 24 time zones we use today. Increasing 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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