Saint Petersburg時間からCaohe時間への変換
18:16:12
+5
23:16:12
+6
+6
+6
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+6
+5
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+2.5
+2.5
+2.5
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+2.5
+2.5
+2
+2
+1.5
+1
+0.5
+0
+0
+0
+0
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+0
+0
-1
-1
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-2
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-2
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-3
-6
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-11