P’yŏngsŏng time to Chenghua time conversion
23:37:27
-1
22:37:27
+1
+1
+0
+0
+0
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+0
-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
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-2
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-8
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-8
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-12
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-12