Jeddah時間からKokstad時間への変換
21:40:43
-1
20:40:43
+7
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+6
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+6
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+5
+5
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+2
+2
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+1
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-1
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
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-6
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-10