Time Porto
23:36:50
Sunrise: 07:57:47 
Sunset: 17:29:1307:36:50
02:36:50
20:36:50
05:06:50
17:36:50
07:36:50
04:36:50
07:36:50
07:36:50
05:06:50
02:36:50
07:36:50
05:36:50
08:36:50
20:36:50
Time difference between Porto and major cities
+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