So if it is 12 noon at Greenwich (0 degree), it would be 12:04 pm at 1 degree meridian and so on. In India, the standard meridian is 82-and-half degree. So the time difference between Greenwich and India is 82.5 x 4, which is 330 minutes (5 hours 30 minutes).

## When the clock shows 12 noon on Greenwich line then what will be the time in India 900 e )?

Indian Standard time (IST) is **+5.30 hrs** ahead of Greenwich Mean Time (GMT ). By this a can easily calculate the IST. Now the given question is 12noon.

## What will be the time in Delhi when it is 12 noon in Greenwich?

Getting Started

New Delhi, India ( in New Delhi) to Greenwich Mean Time (GMT) |
||
---|---|---|

12 pm in New Delhi |
is | 6 am GMT |

1 pm in New Delhi |
is | 7 am GMT |

2 pm in New Delhi |
is | 8 am GMT |

3 pm in New Delhi |
is | 9 am GMT |

## What will be the time in India it is 12 noon at international date line?

India is 5 hr 30 minutes ahead of GMT which we call international date line. So if it is 12 noon there, then in India it must be **5:30 pm**.

## At which meridian it will be midnight when it is 12 noon at Greenwich?

Thus, when it is 12 noon at Greenwich, the time at 15° east of Greenwich will be 15 4 = 60 minutes, i.e., 1 hour ahead of Greenwich time, which means 1 p.m. But at 15° west of Greenwich, the time will be behind Greenwich time by one hour, i.e., it will be 11.00 a.m. Similarly, at **180°**, it will be midnight when it is 12 …

## How is Earth time calculated?

The earth has 360 imaginary lines called **longitudes** or meridians running vertically between the poles. Each of these longitudes is called a degree. The 0 degree longitude passing through Greenwich, near London, is considered as standard and the time of all other time zones are calculated accordingly.

## How is local time calculated?

LSTM = The local standard time meridian, measured in degrees, which runs through the center of each time zone. It can be calculated by **multiplying the differences in hours from Greenwich Mean Time by 15 degrees per hour**. Positive = East, and negative = West.

## What will be the time in India when it is 4 30 am at Greenwich?

GMT to IST call time

GMT |
IST |
---|---|

10pm | 3:30 am |

11pm | 4:30 am |

0:00 | 5:30 |

1:00 | 6:30 |

## When it is 12 noon in Greenwich 0 What is the local time at Mumbai 73 E?

When it is 12 Noon at Greenwich it is **5:30 pm** in Mumbai……………

## What is India’s standard meridian?

Hence, time along the **Standard Meridian of India** (82°30’E) passing through Mirzapur (in Uttar Pradesh) is taken as the **standard** time for the whole country.

## What is the meaning of 12 noon?

The abbreviation am stands for ante-meridiem (before the Sun has crossed the meridian line), and pm stands for post-meridiem (after the Sun has crossed the meridian line). At 12 **noon, the Sun is at its highest point in the sky and directly over the meridian**. It is therefore neither ‘ante’ (am) nor ‘post’ (pm) meridiem.

## Where does the day start?

Each day on Earth begins at **midnight in Greenwich, England**, where the prime meridian is located. Originally, the prime meridian’s purpose was to help ships at sea find their longitude and determine accurately their position on the globe.

## What is the importance of International Date Line?

The International Date Line functions as **a “ line of demarcation ” separating two consecutive calendar dates**. When you cross the date line, you become a time traveler of sorts! Cross to the west and it’s one day later; cross back and you’ve “gone back in time.”

## Why is 82.30 has been selected?

2 Answers. The Earth has been divided into 24 time zones of one hour each. … This causes a time lag of 2 hrs from Gujarat to Arunachal Pradesh to avoid confusion and to have a standard time for reference, The 82.30’Eastern Longitude has **been taken as the standard time for the whole country**.

## When it is 12 noon at Greenwich the time at 150 east of Greenwich will be?

Greenwich mean time (GMT) = 12 noon every 1° is equal to 4 minutes. therefore, 74° = 74×4 = 296 minutes. Therefore, When it is 12 noon at Greenwich, the time at New York (74° W) is **7.04 a.m.**

## How do you calculate GMT time with local time?

Convert UTC/GMT time to local time with formulas

(1) In above formulas, 9 is the number of hours the local time ahead to GMT, and you can change it as you need, if the local time is backward to the GMT, you just can change the plus sign + to minus sign -. (2) The **formula =A2 + (9 / 24)** will return a decimal number.