Hitachiの時間
16:20:17
日の出: 06:49:02 
日没: 16:30:3715:20:17
10:20:17
04:20:17
12:50:17
01:20:17
15:20:17
12:20:17
15:20:17
15:20:17
12:50:17
10:20:17
15:20:17
13:20:17
16:20:17
04:20:17
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
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-9
-9
-12
-12
-12
-12