Gaithersburg時間
18:25:30
日出: 06:39:08 
日落: 17:05:3507:25:30
02:25:30
20:25:30
04:55:30
17:25:30
07:25:30
04:25:30
07:25:30
07:25:30
04:55:30
02:25:30
07:25:30
05:25:30
08:25:30
20:25:30
Gaithersburg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