Heure à Viersen
17:09:20
Lever du soleil: 08:31:06 
Coucher de soleil: 16:57:1300:09:20
19:09:20
13:09:20
21:39:20
10:09:20
00:09:20
21:09:20
00:09:20
00:09:20
21:39:20
19:09:20
00:09:20
22:09:20
01:09:20
13:09:20
Décalage horaire entre Viersen et les grandes villes
+7
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+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
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+7
+7
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+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