Randfontein時間からNew York City時間への変換
17:54:52
-6
11:54:52
+7
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+7
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+3.5
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+3
+3
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+2
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+1
+1
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-1
-1
-1
-1
-1
-1
-2
-5
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-5
-6
-6
-6
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-9