Poltava時間からCasablanca時間への変換
06:50:35
-2
04:50:35
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+5
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+2
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+1
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-1
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-1
-1
-2
-2
-2
-2
-2
-2
-3
-6
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-6
-7
-7
-7
-8
-8
-9
-10