Heure à Porvoo
05:30:30
Lever du soleil: 09:06:01 
Coucher de soleil: 15:48:0611:30:30
06:30:30
00:30:30
09:00:30
21:30:30
11:30:30
08:30:30
11:30:30
11:30:30
09:00:30
06:30:30
11:30:30
09:30:30
12:30:30
00:30:30
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