Najrān時間からFlorence-Graham時間への変換
15:30:28
-10
05:30:28
+7
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+6
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+5
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+2
+2
+1.5
+1
+0.5
+0
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+0
+0
+0
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+0
+0
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-3
-6
-6
-6
-7
-7
-7
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-10