Riyadh時間からMut時間への変換
21:11:49
0
21:11:49
+6
+6
+6
+6
+6
+5
+5
+5
+5
+5
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+2
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+1
+0.5
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-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-3
-3
-6
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-6
-6
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-9
-11