Conversión de hora de Harper a Mexico City
22:18:45
-6
16:18:45
+7
+7
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+6.5
+6
+6
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+5.5
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+5.5
+5.5
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+5.5
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+5
+4.5
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+3.5
+3
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+3
+2
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+1
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+1
+1
+1
+1
+0
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-3
-3
-3
-3
-4
-5
-5
-5
-6
-8