Ōkawa時間
10:22:37
日出: 07:22:04 
日落: 17:32:4509:22:37
04:22:37
22:22:37
06:52:37
19:22:37
09:22:37
06:22:37
09:22:37
09:22:37
06:52:37
04:22:37
09:22:37
07:22:37
10:22:37
22:22:37
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