Ώρα Porto
18:54:12
Ανατολή ηλίου: 07:30:03 
Η δυση του ηλιου: 18:07:0602:54:12
21:54:12
15:54:12
00:24:12
12:54:12
02:54:12
23:54:12
02:54:12
02:54:12
00:24:12
21:54:12
02:54:12
00:54:12
03:54:12
15:54:12
Διαφορά ώρας μεταξύ Porto και μεγάλων πόλεων
+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