Kumagaya時間
09:45:57
日出: 06:40:41 
日落: 16:27:4908:45:57
03:45:57
21:45:57
06:15:57
18:45:57
08:45:57
05:45:57
08:45:57
08:45:57
06:15:57
03:45:57
08:45:57
06:45:57
09:45:57
21:45:57
Kumagaya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
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-6
-6
-6
-6
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-9
-9
-12
-12
-12
-12