Ōkawa時間
19:24:14
日出: 07:21:39 
日落: 17:34:3518:24:14
13:24:14
07:24:14
15:54:14
04:24:14
18:24:14
15:24:14
18:24:14
18:24:14
15:54:14
13:24:14
18:24:14
16:24:14
19:24:14
07:24:14
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