Shiraoka時間からCape Town時間への変換
18:22:46
-7
11:22:46
+2
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-1
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-1
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-1
-1
-1
-1
-1
-1
-1
-1
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-1
-1
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-1
-1
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-1
-1
-1
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-8
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-12
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