Al Maţarīyah時間からItabira時間への変換
19:40:10
-6
13:40:10
+6
+6
+6
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+5
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+2
+2
+1.5
+1
+0.5
+0
+0
+0
+0
+0
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+0
-1
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-1
-1
-2
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-2
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-3
-6
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-10