Konwersja czasu Sayyān do czasu Quảng Ngãi
17:18:24
+4
21:18:24
+7
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+6
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-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-3
-6
-6
-6
-7
-7
-7
-8
-8
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-10