Alexandria 시간을 Jamestown 시간으로 변환
16:55:47
-3
13:55:47
+7
+7
+6
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+2
+2
+1.5
+1
+0.5
+0
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+0
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-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-3
-6
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-6
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-10