Helong時間
23:47:30
日出: 06:04:38 
日落: 17:09:1223:47:30
18:47:30
12:47:30
21:17:30
09:47:30
23:47:30
20:47:30
23:47:30
23:47:30
21:17:30
18:47:30
23:47:30
21:47:30
00:47:30
12:47:30
Helong與主要城市的時差
+3
+3
+1
+1
+1
+1
+1
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
-1
-1
-1
-2
-2
-2
-2
-3
-3
-4
-5
-5
-5
-5
-5
-5
-5
-6
-6
-6
-6
-7
-7
-7
-7
-7
-7
-8
-8
-8
-11
-11
-11
-11
-12