Ōkawa時間
18:24:16
日出: 07:21:24 
日落: 17:35:3117:24:16
12:24:16
06:24:16
14:54:16
03:24:16
17:24:16
14:24:16
17:24:16
17:24:16
14:54:16
12:24:16
17:24:16
15:24:16
18:24:16
06:24:16
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