Chuyển đổi thời gian từ West Island sang giờ Pyongyang
18:26:23
+2.5
20:56:23
+4.5
+4.5
+2.5
+2.5
+2.5
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+0.5
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+0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-2
-3