Grevenの時間
18:49:20
日の出: 06:27:07 
日没: 20:37:1700:49:20
19:49:20
13:49:20
22:19:20
10:49:20
00:49:20
21:49:20
00:49:20
00:49:20
22:19:20
19:49:20
00:49:20
22:49:20
01:49:20
13:49:20
Grevenと主要都市の時差
+7
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
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+6
+6
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+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