Ōkawa時間
13:20:19
日出: 07:22:14 
日落: 17:31:5112:20:19
07:20:19
01:20:19
09:50:19
22:20:19
12:20:19
09:20:19
12:20:19
12:20:19
09:50:19
07:20:19
12:20:19
10:20:19
13:20:19
01:20:19
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