Grand Rapidsの時間
16:47:18
日の出: 07:29:06 
日没: 18:23:0405:47:18
00:47:18
18:47:18
03:17:18
15:47:18
05:47:18
02:47:18
05:47:18
05:47:18
03:17:18
00:47:18
05:47:18
03:47:18
06:47:18
18:47:18
Grand Rapidsと主要都市の時差
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+5
+5
+5
+2
+2
+2
+2
+1
+0
+0
+0
-1
-3