what is the importance of prime meridian
Answers
Explanation:
What is prime meridian ?
Greenwich meridian or prime meridian in England is present at 0°. It divides the earth into two hemispheres. It is considered as an International date line .
What is the use of this prime meridian ?
There are total 360 degrees longitudes. In which prime meridian is at 0 degree. So the basic use of this Green such !meridian time is GMT. The idea of GMT was introduced in 16th century according to rmg site , before that people used to consider there own local time. First it was US who adopted Greenwich meridian time as there standard time. Then slowly the whole world adopted with same.
Is GMT no longer used ?
Yes , GMT is no longer used due to some technical issues. It was high time in 14 may 1880 a letter signed by clerk to justice was released saying that the Greenwich is no more a legal time.
So , What is the standard time of India ?
We use IST as a standard time of India. That is UTC+5:30. this clarifies that it is 5 hours and 30 minutes ahead of the Co-ordinate universal time.