Ōkawa時間
13:22:33
日出: 06:50:22 
日落: 18:12:2712:22:33
07:22:33
01:22:33
09:52:33
22:22:33
12:22:33
09:22:33
12:22:33
12:22:33
09:52:33
07:22:33
12:22:33
10:22:33
13:22:33
01:22:33
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
-9
-9
-9
-12
-12
-12
-12