Ώρα Guyancourt
04:30:19
Ανατολή ηλίου: 08:43:39 
Η δυση του ηλιου: 17:00:0511:30:19
06:30:19
00:30:19
09:00:19
21:30:19
11:30:19
08:30:19
11:30:19
11:30:19
09:00:19
06:30:19
11:30:19
09:30:19
12:30:19
00:30:19
Διαφορά ώρας μεταξύ Guyancourt 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