Before the 1880s, every city had its own time. As transportation and communication started getting faster, that started getting more and more confusing.
The significance of standard meridian of India is that Standard meridian is used as the standard time for whole country. If it isn't there chaos will be created in the country so standard time is very important.
Country Standard Time was created in 1992.
The city where Pakistan Standard Time (PST) is taken as the reference time is Karachi. Karachi is the largest and most populous city in Pakistan and serves as the country's economic and cultural hub. It is located in the southern part of Pakistan and is known for its diverse population, vibrant markets, and historical landmarks.
India Time - Indian Standard Time (IST) UTC/(GMT) +5.5
it is necessary to adopt the local time of some central meridian because each degree of longitude differs by 4 minutes.so if we follow the time of each meridian it would be very difficult as the people in the same country will have different time and the people travelling around would have to change there time now and then.therefore a central meridian in the country is taken as the standard meridian and the whole country follows its time.
Many. There is no standard time across the whole of the Antarctic continent. Scientific stations keep the same clock time as their country's, based on the interaction between the country-based support staff and those based in Antarctica.
The local times which lie on different meridians are bound to differ. The sun rises two hours earlier in Arrunachal Pradesh as compared to Gujrat. This causes a time lag of two hours from Gujrat to A.P. To avoid confusion and to have a standard time for reference, the time along the meridian(82.30'E) passing through Mirzapur(In UP) has been taken as the standard time for the whole country. This is why the watches show the same time.
From the longitudinal extent of India it is observed that the longitudinal expense is about 30 degree from west to east. This means that there would be a time-lag of two hours approximately from Gujarat to Arunachal Pradesh. To avoid such differences in local time, Indian Standard Time has been fixed to give whole country a uniform time.The local time of standard meridian of 82 degree 32' is observed as the standard time by whole country.
The whole country uses UTC + 5.5 hours. It is called India Standard Time, which is abbreviated IST, although IST is also the accepted abbreviation for Israel Standard Time and Irish Summer Time.
The standard meridian is important for a country because it serves as a reference point for time zones and helps establish a consistent time system within the country. It also aids in coordinating activities, such as transportation schedules and communication networks, both domestically and internationally.
from gujarat to arunachal pradesh there is time lag of 2 hours. hence,time along the meridian of India(82 degree 39'east)passing through mirzapur (in u.p.) is taken as the standard time for the whole country.
Pakistan