Heure à Porvoo
17:15:17
Lever du soleil: 09:06:01 
Coucher de soleil: 15:48:0623:15:17
18:15:17
12:15:17
20:45:17
09:15:17
23:15:17
20:15:17
23:15:17
23:15:17
20:45:17
18:15:17
23:15:17
21:15:17
00:15:17
12:15:17
Décalage horaire entre Porvoo et les grandes villes
+7
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+5
+5
+5
+4.5
+4
+4
+4
+4
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3
+3
+2.5
+2
+1.5
+1
+1
+1
+1
+1
+1
+1
+0
+0
+0
+0
-1
-1
-1
-1
-1
-1
-1
-2
-2
-5
-5
-5
-5
-6
-7
-7
-7
-8
-10