Grytvikenの時間
21:33:58
日の出: 04:43:56 
日没: 20:34:0021:33:58
07:33:58
02:33:58
20:33:58
05:03:58
17:33:58
07:33:58
04:33:58
07:33:58
07:33:58
05:03:58
02:33:58
07:33:58
05:33:58
08:33:58
20:33:58
Grytvikenと主要都市の時差
+7
+7
+6.5
+6
+5.5
+5
+5
+5
+5
+5
+5
+5
+4
+4
+4
+4
+3
+3
+3
+3
+3
+3
+3
+2
+2
-1
-1
-1
-1
-2
-3
-3
-3
-4
-6