Ōkawa時間
20:20:06
日出: 07:21:39 
日落: 17:34:3519:20:06
14:20:06
08:20:06
16:50:06
05:20:06
19:20:06
16:20:06
19:20:06
19:20:06
16:50:06
14:20:06
19:20:06
17:20:06
20:20:06
08:20:06
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