Ōkawa時間
00:03:48
日出: 07:22:04 
日落: 17:32:4523:03:48
18:03:48
12:03:48
20:33:48
09:03:48
23:03:48
20:03:48
23:03:48
23:03:48
20:33:48
18:03:48
23:03:48
21:03:48
00:03:48
12:03:48
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