Time Haikou
00:40:01
Sunrise: 07:16:22 
Sunset: 18:22:4300:40:01
19:40:01
13:40:01
22:10:01
10:40:01
00:40:01
21:40:01
00:40:01
00:40:01
22:10:01
19:40:01
00:40:01
22:40:01
01:40:01
13:40:01
Time difference between Haikou and major cities
+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
-7
-8
-8
-11
-11
-11
-11
-12