Groningen時間
06:19:46
日出: 07:22:57 
日落: 18:09:3013:19:46
08:19:46
02:19:46
10:49:46
23:19:46
13:19:46
10:19:46
13:19:46
13:19:46
10:49:46
08:19:46
13:19:46
11:19:46
14:19:46
02:19:46
Groningen與主要城市的時差
+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
-1
-1
-1
-4
-4
-4
-4
-5
-6
-6
-6
-7
-9