Worcester 시간을 Bluffton 시간으로 변환
21:38:48
-7
14:38:48
+7
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+3
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+2
+1.5
+1
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+0
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-1
-1
-1
-1
-1
-1
-1
-2
-2
-5
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-5
-6
-7
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-10