Heure à Birsk
08:21:30
Lever du soleil: 09:44:28 
Coucher de soleil: 17:00:0211:21:30
06:21:30
00:21:30
08:51:30
21:21:30
11:21:30
08:21:30
11:21:30
11:21:30
08:51:30
06:21:30
11:21:30
09:21:30
12:21:30
00:21:30
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