Robertson 시간을 Businga 시간으로 변환
04:43:48
-1
03:43:48
+7
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+3.5
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+3
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+2.5
+2
+1.5
+1
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+1
+0
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+0
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-1
-1
-1
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-1
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-2
-2
-5
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