Heure à Ōkawa
17:26:30
Lever du soleil: 06:43:09 
Coucher de soleil: 18:17:2116:26:30
11:26:30
05:26:30
13:56:30
02:26:30
16:26:30
13:26:30
16:26:30
16:26:30
13:56:30
11:26:30
16:26:30
14:26:30
17:26:30
05:26:30
Décalage horaire entre Ōkawa et les grandes villes
+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