Itoigawa時間
02:40:50
日出: 06:18:27 
日落: 17:43:0601:40:50
20:40:50
14:40:50
23:10:50
11:40:50
01:40:50
22:40:50
01:40:50
01:40:50
23:10:50
20:40:50
01:40:50
23:40:50
02:40:50
14:40:50
Itoigawa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