Ōkawa時間
16:08:14
日出: 07:21:52 
日落: 17:33:4015:08:14
10:08:14
04:08:14
12:38:14
01:08:14
15:08:14
12:08:14
15:08:14
15:08:14
12:38:14
10:08:14
15:08:14
13:08:14
16:08:14
04:08:14
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