Ōkawa時間
14:47:08
日出: 07:22:04 
日落: 17:32:4513:47:08
08:47:08
02:47:08
11:17:08
23:47:08
13:47:08
10:47:08
13:47:08
13:47:08
11:17:08
08:47:08
13:47:08
11:47:08
14:47:08
02:47:08
Ōkawa與主要城市的時差
+2
+2
+0
+0
+0
+0
+0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-2
-2
-2
-3
-3
-3
-3
-4
-4
-5
-6
-6
-6
-6
-6
-6
-6
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-9
-9
-12
-12
-12
-12