Saint Petersburg時間からRayside-Balfour時間への変換
15:30:01
-7
08:30:01
+7
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+6
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+2.5
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+2.5
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+2.5
+2
+2
+1.5
+1
+0.5
+0
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+0
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+0
-1
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-2
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-6
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