Ώρα Ridderkerk
22:07:30
Ανατολή ηλίου: 05:42:46 
Η δυση του ηλιου: 21:33:2004:07:30
23:07:30
17:07:30
01:37:30
14:07:30
04:07:30
01:07:30
04:07:30
04:07:30
01:37:30
23:07:30
04:07:30
02:07:30
05:07:30
17:07:30
Διαφορά ώρας μεταξύ Ridderkerk και μεγάλων πόλεων
22:07:30
-6
16:07:30
+7
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+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