Northfieldの時間
15:42:12
日の出: 06:50:56 
日没: 17:59:1405:42:12
00:42:12
18:42:12
03:12:12
15:42:12
05:42:12
02:42:12
05:42:12
05:42:12
03:12:12
00:42:12
05:42:12
03:42:12
06:42:12
18:42:12
Northfieldと主要都市の時差
+7
+7
+7
+7
+7
+7
+6
+6
+6
+3
+3
+3
+3
+2
+1
+1
+1
+0
-2