Ώρα Guyancourt
04:02:59
Ανατολή ηλίου: 06:42:39 
Η δυση του ηλιου: 21:10:1910:02:59
05:02:59
23:02:59
07:32:59
20:02:59
10:02:59
07:02:59
10:02:59
10:02:59
07:32:59
05:02:59
10:02:59
08:02:59
11:02:59
23:02:59
Διαφορά ώρας μεταξύ Guyancourt και μεγάλων πόλεων
+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