Johannesburg時間からHecun時間への変換
13:25:20
+6
19:25:20
+7
+7
+7
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+6
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+6
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-1
-1
-1
-1
-1
-1
-1
-2
-2
-5
-5
-5
-5
-6
-7
-7
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-8
-10