Groningenの時間
12:41:43
日の出: 05:31:43 
日没: 21:28:3118:41:43
13:41:43
07:41:43
16:11:43
04:41:43
18:41:43
15:41:43
18:41:43
18:41:43
16:11:43
13:41:43
18:41:43
16:41:43
19:41:43
07:41:43
Groningenと主要都市の時差
+7
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
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+6
+6
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+6
+6
+6
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+6
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+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+5
+5
+5
+4.5
+4
+4
+4
+4
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3
+3
+2.5
+2
+1.5
+1
+1
+1
+1
+1
+1
+1
+1
+1
+0
+0
+0
+0
-1
-1
-1
-1
-1
-1
-2
-5
-5
-5
-6
-6
-6
-7
-7
-8
-9