Heure à Orsay
22:35:20
Lever du soleil: 08:43:09 
Coucher de soleil: 17:00:4005:35:20
00:35:20
18:35:20
03:05:20
15:35:20
05:35:20
02:35:20
05:35:20
05:35:20
03:05:20
00:35:20
05:35:20
03:35:20
06:35:20
18:35:20
Décalage horaire entre Orsay et les grandes villes
+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