Ώρα Ridderkerk
12:58:20
Ανατολή ηλίου: 08:47:07 
Η δυση του ηλιου: 16:48:3519:58:20
14:58:20
08:58:20
17:28:20
05:58:20
19:58:20
16:58:20
19:58:20
19:58:20
17:28:20
14:58:20
19:58:20
17:58:20
20:58:20
08:58:20
Διαφορά ώρας μεταξύ Ridderkerk και μεγάλων πόλεων
+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
+0
-1
-1
-4
-4
-4
-4
-5
-6
-6
-6
-7
-9