Czas Groningen
13:49:50
Wschód słońca: 08:40:16 
Zachód słońca: 16:15:4420:49:50
15:49:50
09:49:50
18:19:50
06:49:50
20:49:50
17:49:50
20:49:50
20:49:50
18:19:50
15:49:50
20:49:50
18:49:50
21:49:50
09:49:50
Różnica czasu między Groningen a większymi miastami
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+5.5
+5
+5
+5
+5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4
+4
+3.5
+3
+2.5
+2
+2
+2
+2
+2
+2
+2
+1
+1
+1
+1
+0
+0
+0
+0
+0
+0
+0
-1
-1
-4
-4
-4
-4
-5
-6
-6
-6
-7
-9