No meridians are called the time meridian. The Greenwich meridian which passes through Greenwich, London is called the prime meridian. From which time zones are calculated.
The standard meridian time for Europe is Greenwich Mean Time (GMT)
gmt time of london is gmt+1.00 while gmt time of india is gmt+5.30
G.M.T. is Greenwich Mean Time.Greenwich, England has been the home of Greenwich Mean Time (GMT) since 1884. GMT is sometimes called Greenwich Meridian Time because it is measured from the Greenwich Meridian Line at the Royal Observatory in Greenwich. Greenwich is the place from where all time zones are measured.
G.M.T. is Greenwich Mean Time.Greenwich, England has been the home of Greenwich Mean Time (GMT) since 1884. GMT is sometimes called Greenwich Meridian Time because it is measured from the Greenwich Meridian Line at the Royal Observatory in Greenwich. Greenwich is the place from where all time zones are measured.
If you are to the west of the Greenwich Meridian (as is the US, for example) You subtract an hour for each time zone. Eastern Standard Time in the US is 5 hours behind GMT. Be sure to adjust for daylight saving time. GMT is always standard time. If you are to the east of the Greenwich Meridian, you add an hour for each time zone.
The London suburb of Greenwich, hence GMT (Greenwich Mean Time).
G.M.T which stands for Greenwich Meridian Time.
At the Royal Observatory in Greenwich, England, which is located on the Prime Meridian.
India Standard Time (IST) = GMT+5:30. So, India is 5 1/2 hours ahead of Greenwich.
Greenwich Meridian Time or Greenwich Mean Time was established by the International Meridian Conference in 1184. It established a common time for the rest of the world. It is still the common base for world time.
The Greenwich Meridian or the Prime Meridian is the imaginary line on maps from which all international times are calculated. Greenwich Mean Time (GMT). The time at every point on earth is calculated with respect to Greenwich Mean Time. This practice was originated for maritime navigation and meant that ships clocks needed to be extremely accurate and well maintained.