Piedras Negras時間
16:36:39
日出: 07:16:52 
日落: 20:11:1305:36:39
00:36:39
18:36:39
03:06:39
15:36:39
05:36:39
02:36:39
05:36:39
05:36:39
03:06:39
00:36:39
05:36:39
03:36:39
06:36:39
18:36:39
Piedras Negras與主要城市的時差
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+5
+2
+2
+2
+1
+1
+1
+0
+0
-1
-2