Centralniy 시간을 Rio Grande 시간으로 변환
19:28:48
-6
13:28:48
+7
+7
+6
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+2.5
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+2.5
+2.5
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+2
+2
+1.5
+1
+0.5
+0
+0
+0
+0
+0
+0
+0
+0
+0
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-3
-6
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-10