Conversione dell'ora da Sysert’ a Chennai
18:30:20
+0.5
19:00:20
+6
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+4
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+3
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+0.5
+0.5
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-1
-2
-2
-2
-2
-2
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-4
-4
-4
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-5
-8
-8
-8
-8
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-10
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-11