Ōkawa時間
04:23:41
日出: 06:49:11 
日落: 18:13:1703:23:41
22:23:41
16:23:41
00:53:41
13:23:41
03:23:41
00:23:41
03:23:41
03:23:41
00:53:41
22:23:41
03:23:41
01:23:41
04:23:41
16:23:41
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