Sector 3時間からEast London時間への変換
17:43:42
-1
16:43:42
+7
+7
+6
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+5
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+3
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+2.5
+2
+2
+1.5
+1
+0.5
+0
+0
+0
+0
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-1
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-1
-1
-2
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-3
-6
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