Heure à Birsk
04:45:15
Lever du soleil: 09:41:07 
Coucher de soleil: 17:08:3807:45:15
02:45:15
20:45:15
05:15:15
17:45:15
07:45:15
04:45:15
07:45:15
07:45:15
05:15:15
02:45:15
07:45:15
05:45:15
08:45:15
20:45:15
Décalage horaire entre Birsk et les grandes villes
+6
+6
+4
+4
+4
+4
+4
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+1.5
+1
+1
+1
+1
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0.5
+0
+0
-1
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4
-4
-5
-5
-8
-8
-8
-8
-9
-10
-10
-10
-11