Umm Qaşr時間からMaidenhead時間への変換
21:54:32
-2
19:54:32
+7
+7
+6
+6
+6
+6
+6
+5
+5
+5
+5
+5
+5
+5
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+5
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+5
+5
+5
+5
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+5
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+5
+5
+4
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+4
+3.5
+3
+3
+3
+3
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2
+2
+1.5
+1
+0.5
+0
+0
+0
+0
+0
+0
+0
+0
+0
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-3
-6
-6
-6
-6
-7
-7
-8
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-10