Hitachiの時間
15:30:19
日の出: 05:45:43 
日没: 17:00:0814:30:19
09:30:19
03:30:19
12:00:19
00:30:19
14:30:19
11:30:19
14:30:19
14:30:19
12:00:19
09:30:19
14:30:19
12:30:19
15:30:19
03:30:19
Hitachiと主要都市の時差
+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
-6
-6
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-9
-12
-12
-12
-12