Grantham時間
19:50:33
日出: 07:51:25 
日落: 15:51:1103:50:33
22:50:33
16:50:33
01:20:33
13:50:33
03:50:33
00:50:33
03:50:33
03:50:33
01:20:33
22:50:33
03:50:33
01:50:33
04:50:33
16:50:33
Grantham與主要城市的時差
+7
+7
+7
+6.5
+6
+6
+6
+6
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5
+5
+4.5
+4
+3.5
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+2
+1
+1
+1
+1
+1
+1
+1
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8