Перехід Cairo часу в Derry час
18:20:25
-2
16:20:25
+7
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+5
+5
+5
+4.5
+4
+4
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+4
+3.5
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+3.5
+3
+3
+2.5
+2
+1.5
+1
+1
+1
+1
+1
+1
+1
+0
+0
+0
+0
-1
-1
-1
-1
-1
-1
-2
-2
-2
-5
-5
-5
-5
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-6
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-9