Alexandria 시간을 San Francisco 시간으로 변환
01:40:30
-6
19:40:30
+7
+7
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+2
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+1.5
+1
+0.5
+0
+0
+0
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-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-3
-6
-6
-6
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-10