Grytvikenの時間
22:28:55
日の出: 07:46:19 
日没: 16:59:4922:28:55
08:28:55
03:28:55
21:28:55
05:58:55
18:28:55
08:28:55
05:28:55
08:28:55
08:28:55
05:58:55
03:28:55
08:28:55
06:28:55
09:28:55
21:28:55
Grytvikenと主要都市の時差
22:28:55
-2
20:28:55
+7
+7
+6.5
+6
+5.5
+5
+5
+5
+5
+5
+5
+5
+5
+5
+4
+4
+4
+4
+3
+3
+3
+3
+3
+3
+2
-1
-1
-1
-2
-2
-2
-3
-3
-4
-5