Ώρα Porto
12:30:21
Ανατολή ηλίου: 07:59:03 
Η δυση του ηλιου: 17:24:5320:30:21
15:30:21
09:30:21
18:00:21
06:30:21
20:30:21
17:30:21
20:30:21
20:30:21
18:00:21
15:30:21
20:30:21
18:30:21
21:30:21
09:30:21
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