Conversione dell'ora da Toba Tek Singh a Hertford
19:40:50
-4
15:40:50
+5
+5
+4
+4
+4
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+3
+3
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+3
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+0
+0
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
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-3
-3
-4
-4
-4
-4
-4
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-8
-8
-8
-9
-9
-9
-10
-10
-11
-12