Konwersja czasu Gero do czasu Tianjin
13:23:20
-1
12:23:20
+2
+2
+0
+0
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+0
-1
-1
-1
-1
-1
-1
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-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
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-1
-1
-1
-1
-1
-1
-1
-1
-1
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-2
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-9
-12
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-12