Singa idő Derry idő konverzió
20:47:20
-2
18:47:20
+7
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
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+2
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-1
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-1
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-2
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-2
-5
-5
-5
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-6
-7
-7
-7
-8
-10