Question

What will be the time at a place with 15°E as its standard meridian if the time at a place with 45°W as its standard meridian is 4 am?

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Answer 1

Answer:

1 degree equals 4 minutes.

According to the question, the time at 90 degree East longitude is 11 am, and to reach 15 degree west longitude it will have to go 105 degrees east as first of all it will go to 0 degree and then 15 degree to reach 15 degree west longitude.

1 degree = 4 minutes

105 degree = 105×4= 420 minutes

420÷60= 7 hours

We know that by moving from East to West, time decreases. So, we will have to subtract 7 hour from 11am to know the time at that place.

Therefore, 11am - 7hr= 4 am

So, the time will be 4am at 15 degree west longitude if the time is 11am at 90 degree East longitude

Thank You!!