Konwersja czasu Yŏnmu do czasu Ganghwa-gun
15:55:45
0
15:55:45
+2
+2
+0
+0
+0
+0
+0
-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
-1
-1
-1
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-5
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-7
-7
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-8
-8
-8
-8
-8
-8
-8
-9
-9
-12
-12
-12
-12