Oral 시간을 London 시간으로 변환
14:51:47
-4
10:51:47
+5
+5
+4
+4
+4
+4
+4
+3
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+3
+3
+3
+3
+3
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+3
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+3
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+3
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+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+1.5
+1
+1
+1
+1
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0
+0
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
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-3
-4
-4
-4
-4
-4
-4
-5
-8
-8
-8
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