Portland時間
07:54:45
日出: 07:04:24 
日落: 19:58:3920:54:45
15:54:45
09:54:45
18:24:45
06:54:45
20:54:45
17:54:45
20:54:45
20:54:45
18:24:45
15:54:45
20:54:45
18:54:45
21:54:45
09:54:45
Portland與主要城市的時差
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+5
+2
+2
+2
+1
+1
+1
+0
+0
-1
-2