Ōkawa時間
12:21:49
日出: 06:53:48 
日落: 18:09:5511:21:49
06:21:49
00:21:49
08:51:49
21:21:49
11:21:49
08:21:49
11:21:49
11:21:49
08:51:49
06:21:49
11:21:49
09:21:49
12:21:49
00:21:49
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