Q4 of 40 Page 8

If it is 10 pm on 21st June at Prime Meridian, write the dates and time at A, B, and C in the table.

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


More from this chapter

All 40 →
3

Answer in brief:

If it is 12 noon at 60°E longitude, then explain what would be the time at 30° W longitude?

 3

Answer in brief:

How is the standard time of a place determined?

 5

Write the situations of place A shown in these diagrams in the boxes below them :

(i) Sunrise (ii) midnight (iii) noon (iv) Sunset


 1

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.