Grand Rapids時間
02:14:05
日出: 08:07:03 
日落: 17:41:0015:14:05
10:14:05
04:14:05
12:44:05
01:14:05
15:14:05
12:14:05
15:14:05
15:14:05
12:44:05
10:14:05
15:14:05
13:14:05
16:14:05
04:14:05
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