Ōkawa時間
04:29:35
日出: 06:52:40 
日落: 18:10:4603:29:35
22:29:35
16:29:35
00:59:35
13:29:35
03:29:35
00:29:35
03:29:35
03:29:35
00:59:35
22:29:35
03:29:35
01:29:35
04:29:35
16:29:35
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