Převod času z Keta na Cairo
11:57:58
+3
14:57:58
+7
+7
+7
+6.5
+6
+6
+6
+6
+5.5
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+5.5
+5.5
+5.5
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+3.5
+3
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+3
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+1
+1
+1
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+1
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+0
-3
-3
-3
-3
-4
-4
-5
-5
-6
-7