Advertisements
Advertisements
Question
If it is 10 pm on 21st June at Prime Meridian, write the dates and time at A, B and C in the table.
| Place | Longitude | Date | Time |
| A | 120° E | ||
| B | 160° W | ||
| C | 60°E |
Solution
| Place | Longitude | Date | Time |
| A | 120° E | 22nd June | 6:00 A.M. |
| B | 160° W | 21st June | 11:20 A.M. |
| C | 60°E | 22nd June | 2:00 A.M. |
Date changes post 12:00 AM
Earth rotates from west to east
Earth takes one hour to complete 15°
GMT = 10:00 PM, 21st June
Place A: time difference = GMT + (120° E/15) = GMT + 8 hours
Place B: time difference = GMT - (160° W/15) = GMT – 10.6 hours
Place C: time difference = GMT + (60° E/15) = GMT + 4 hours
RELATED QUESTIONS
The earth requires 24 hours for one rotation. In one hour, ______.
To calculate the difference between the local times of any two places on the earth ______.
The differene between the local time of any two consecutive longitudes is ______.
If it is 12 noon at 60°E longitude, then explain what would be the time at 30° W longitude?
Look for the actual granny’s clock in Shri Acharya Atre’s poem: “Aajiche Ghadyal“ (granny’s clock). Look for this poem on the internet or in reference books.
Find out the velocity of the earth’s rotation in km/ hour.
