Heure à Portishead
23:30:50
Lever du soleil: 08:02:16 
Coucher de soleil: 16:02:5907:30:50
02:30:50
20:30:50
05:00:50
17:30:50
07:30:50
04:30:50
07:30:50
07:30:50
05:00:50
02:30:50
07:30:50
05:30:50
08:30:50
20:30:50
Décalage horaire entre Portishead et les grandes villes
+7
+7
+7
+6.5
+6
+6
+6
+6
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5
+5
+4.5
+4
+3.5
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+2
+1
+1
+1
+1
+1
+1
+1
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8