Ōkawa時間
23:47:42
日出: 07:21:24 
日落: 17:35:3122:47:42
17:47:42
11:47:42
20:17:42
08:47:42
22:47:42
19:47:42
22:47:42
22:47:42
20:17:42
17:47:42
22:47:42
20:47:42
23:47:42
11:47:42
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