Riyadh時間からPerth時間への変換
22:52:12
+5
03:52:12
+6
+6
+6
+6
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+5
+5
+5
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+1.5
+1
+0.5
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-1
-1
-1
-1
-2
-2
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-2
-2
-2
-2
-3
-3
-6
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-9
-11