Hayling Island時間からGelibolu時間への変換
07:53:41
+3
10:53:41
+7
+7
+7
+6.5
+6
+6
+6
+6
+5.5
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+3.5
+3
+3
+3
+3
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+2
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+1
+1
+1
+1
+1
+1
+1
+0
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-3
-3
-3
-3
-4
-5
-5
-5
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-8