Najrān 시간을 Grays 시간으로 변환
19:53:27
-2
17:53:27
+7
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+2
+2
+1.5
+1
+0.5
+0
+0
+0
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-1
-1
-1
-1
-2
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-2
-2
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-2
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-6
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