Riyadh時間からRawicz時間への変換
09:30:05
-1
08:30:05
+6
+6
+6
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+5
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+3
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+2.5
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+2.5
+2.5
+2.5
+2.5
+2.5
+2
+2
+1.5
+1
+0.5
+0
+0
+0
+0
+0
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+0
+0
-1
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-1
-1
-2
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-2
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-6
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