Czas Ōarai
01:18:30
Wschód słońca: 04:35:08 
Zachód słońca: 18:52:5800:18:30
19:18:30
13:18:30
21:48:30
10:18:30
00:18:30
21:18:30
00:18:30
00:18:30
21:48:30
19:18:30
00:18:30
22:18:30
01:18:30
13:18:30
Różnica czasu między Ōarai a większymi miastami
+1
+1
+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
-6
-6
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-9
-12
-12
-12