Grand Rapids時間
03:38:07
日出: 07:11:15 
日落: 18:36:5316:38:07
11:38:07
05:38:07
14:08:07
02:38:07
16:38:07
13:38:07
16:38:07
16:38:07
14:08:07
11:38:07
16:38:07
14:38:07
17:38:07
05:38:07
Grand Rapids與主要城市的時差
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+5
+5
+5
+2
+2
+2
+2
+1
+0
+0
+0
-1
-3