Grand Islandの時間
22:00:49
日の出: 07:31:11 
日没: 18:31:2510:00:49
05:00:49
23:00:49
07:30:49
20:00:49
10:00:49
07:00:49
10:00:49
10:00:49
07:30:49
05:00:49
10:00:49
08:00:49
11:00:49
23:00:49
Grand Islandと主要都市の時差
+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