Kumagaya時間
00:15:55
日出: 04:27:16 
日落: 18:52:4623:15:55
18:15:55
12:15:55
20:45:55
09:15:55
23:15:55
20:15:55
23:15:55
23:15:55
20:45:55
18:15:55
23:15:55
21:15:55
00:15:55
12:15:55
Kumagaya與主要城市的時差
+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