Grand Rapids時間
10:46:32
日出: 08:07:45 
日落: 17:39:4423:46:32
18:46:32
12:46:32
21:16:32
09:46:32
23:46:32
20:46:32
23:46:32
23:46:32
21:16:32
18:46:32
23:46:32
21:46:32
00:46:32
12:46:32
Grand Rapids與主要城市的時差
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+5
+5
+2
+2
+2
+2
+1
+0
+0
+0
-1
-3