Conversione dell'ora da Phuthaditjhaba a Gbongan
22:21:10
-1
21:21:10
+7
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+3.5
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+3
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+2.5
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+1
+1
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+0
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+0
+0
-1
-1
-1
-1
-1
-1
-2
-5
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-9