Ōkawa時間
20:37:01
日出: 06:52:40 
日落: 18:10:4619:37:01
14:37:01
08:37:01
17:07:01
05:37:01
19:37:01
16:37:01
19:37:01
19:37:01
17:07:01
14:37:01
19:37:01
17:37:01
20:37:01
08:37:01
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
-9
-9
-9
-12
-12
-12
-12