Hongch’ŏn時間
04:50:22
日出: 07:00:09 
日落: 18:21:3003:50:22
22:50:22
16:50:22
01:20:22
13:50:22
03:50:22
00:50:22
03:50:22
03:50:22
01:20:22
22:50:22
03:50:22
01:50:22
04:50:22
16:50:22
Hongch’ŏn與主要城市的時差
+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
-2
-2
-2
-3
-3
-3
-3
-4
-4
-5
-6
-6
-6
-6
-6
-6
-6
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-9
-9
-9
-12
-12
-12
-12