Ōkawa時間
20:14:16
日出: 07:21:24 
日落: 17:35:3119:14:16
14:14:16
08:14:16
16:44:16
05:14:16
19:14:16
16:14:16
19:14:16
19:14:16
16:44:16
14:14:16
19:14:16
17:14:16
20:14:16
08:14:16
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