Conversion de l'heure de Velingrad à l'heure de Bogotá
20:56:40
-7
13:56:40
+7
+7
+7
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+6
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+2
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+1
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-1
-1
-1
-1
-1
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-5
-5
-5
-5
-6
-7
-7
-7
-8
-10