Ōkawa時間
06:48:20
日出: 07:21:39 
日落: 17:34:3505:48:20
00:48:20
18:48:20
03:18:20
15:48:20
05:48:20
02:48:20
05:48:20
05:48:20
03:18:20
00:48:20
05:48:20
03:48:20
06:48:20
18:48:20
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