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ICSE Class 9 Geography Question 28 of 34

Latitudes and Longitudes — Question 33

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Question 33

Find out the local time in Auckland (175° E) when it is 2 p.m. in Wollongong (150° E).

Answer

The longitudinal difference between Auckland and Wollongong is: 175° - 150° = 25°

For 1° longitudinal difference time difference is 4 minutes.

So, for 25° longitudinal difference time difference is 25° x 4 = 100 minutes or 1 hour 40 minutes.

As Auckland is situated in the east of Wollongong, the local time of Auckland will be ahead the time of Wollongong.

The local time of Auckland will be: 2 pm + 1 hours 40 minutes = 3:40 p.m.