Ora Birsk
18:00:14
Răsărit: 09:30:47 
Apus de soare: 17:26:1121:00:14
16:00:14
10:00:14
18:30:14
07:00:14
21:00:14
18:00:14
21:00:14
21:00:14
18:30:14
16:00:14
21:00:14
19:00:14
22:00:14
10:00:14
Diferența de timp între Birsk și marile orașe
+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