การแปลงเวลาIbetoเป็นเวลาCairo
18:12:11
+1
19:12:11
+7
+7
+7
+7
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+6
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+5.5
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+4
+4
+3.5
+3
+2.5
+2
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+2
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+2
+2
+1
+1
+1
+1
+0
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-1
-1
-4
-4
-4
-4
-5
-6
-6
-6
-7
-9