Epworth 시간을 Tianshui 시간으로 변환
14:12:54
+6
20:12:54
+7
+7
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+6
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+3
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+1
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-1
-1
-1
-1
-1
-1
-2
-5
-5
-5
-6
-6
-6
-7
-7
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-9