Surgut時間からEast London時間への変換
17:47:36
-3
14:47:36
+5
+5
+4
+4
+4
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+4
+3
+3
+3
+3
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+3
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+2
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+1.5
+1
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+0
+0
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
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-3
-4
-4
-4
-4
-4
-4
-5
-8
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-8
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