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9) The sun rises two hours earlier in Arunachal Pradesh as compared to Gujarat in the west but the watches show the same time. How does this happen? Also explain why few years ago few scientists requested advancing Indian Standard Time by half an hour. (200 Words)

9) The sun rises two hours earlier in Arunachal Pradesh as compared to Gujarat in the west but the watches show the same time. How does this happen? Also explain why few years ago few scientists requested advancing Indian Standard Time by half an hour. (200 Words)

NCERT, Class IX, Contemporary India (Geography), Chapter –  1

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