Port Huron時間
18:53:09
日出: 07:44:58 
日落: 18:45:1906:53:09
01:53:09
19:53:09
04:23:09
16:53:09
06:53:09
03:53:09
06:53:09
06:53:09
04:23:09
01:53:09
06:53:09
04:53:09
07:53:09
19:53:09
Port Huron與主要城市的時差
+7
+7
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+6
+5
+5
+5
+5
+5
+5
+4
+1
+1
+1
+1
+0
+0
-1
-1
-2
-3