How is Indian Standard Time calculated?
Calculate the IST : Indian Standard Time
- Input: H = 24, R = 82.50.
- Output: IST = 5:30. IST = (24/360)* 82.50. = 5.5. = 0.5*60 (i.e 60 minute = 360 degree rotation and 1 minute = 6 degree so, 0.5 hour * 60 = 30) IST = 5:30.
- Input: H = 20, R = 150.
- Output: IST = 8:20.
What is the Indian Standard Time Class 6?
In India, the longitude of 82.5 degrees East is treated as the standard meridian. So, for the whole country, the local time at this meridian is taken as the standard time and is known as the Indian Standard Time (IST).
What is Indian Standard Time Class 11?
IST is Indian Standard Time. … Indian Standard Time is ahead of Greenwich Mean Time by 5 hours and 30 minutes. The standard meridian in multiples of 7°30′ of longitude was selected as per general understanding among all the countries of the world. 82°30′ E is selected as the ‘standard meridian’ of India.
What is Indian Standard Time Class 9?
Indian standard time is the uniform time calculated by the Standard Meridian of India. It is called as IST. … (iv) Therefore, at 82°30’E has been taken as standard meridian of India which is almost passing from centre of India.
What is meant by Indian Standard Time and what is its importance?
India has the IST as it’s standard time because if it wouldn’t have been there, the country would have difference of 2 hours (as India is a large country and has a large East-west extent — there’s a difference of 2 hours from Gujarat in the west to Assam in the east). Hence, IST is an important meridian of longitude.
Why is the standard time considered necessary Class 9?
As the local TIMe differs by 4 minutes at every longitude, it would create a lot of confusion regarding time for any country as a whole which may stretch across several longitudes. Therefore each country selects a central meridian and the local time of this meridian is the standard time of that country.
Why does India follow a standard time?
India has a vast longitudinal extent. Since many meridians pass through it, it is important to adopt the local time of one central meridian of a country as the standard time for the country. Thus, we need a standard meridian for the country. In India 82 ½ °E longitude determines the standard time.
What is the difference between local time and Indian Standard Time Class 6?
Local time indicates the time of a place, determined on the basis of the apparent movement of the sun. Standard time refers to the fixed time for places falling in the same meridian, set in a country by law. … Remains the same for a particular country. Places on the same longitude have the same local time.