Date      Time UT      Sun Azim  Sun elev.
                          (deg)      (deg)
-------------------------------------------------------------
Sputnik-4
1960 May 19 23:46:00     176.2      -18.
1960 May 19 23:52:00                     TDU pulse in darkness

Sputnik-5
1960 Aug 20                              Exit from eclipse
1960 Aug 20 10:00:00      11.2       0.3 Sun at local horizon
1960 Aug 20 10:12:00      16.4      46.7 8000 km from landing point, retrofire?
1960 Aug 20 11:02:00                     Landing

Sputnik-6
1960 Dec 2 06:33:00       38.7       2.1 Sun at local horizon
1960 Dec 2 06:52:00       77.6      50.2 8000 km from landing point, retrofire?

Sputnik-9
1961 Mar 9                               Exit from eclipse
1961 Mar 9 07:32:00       45.5       0.3 Sun at local horizon
1961 Mar 9 07:42:00       53.4      27.3 8000 km from landing point, TDU pulse 42.5 sec
1961 Mar 9 08:09:54                      Landing

Sputnik-10
1961 Mar 25                              Exit from eclipse
1961 Mar 25 07:01:00      49.3       0.7 Sun at local horizon
1961 Mar 25 07:15:00      51.4      19.5 8000 km from landing point, retrofire?
1961 Mar 25 07:40:48                     Landing

Vostok-1
1961 Apr 12                              Exit from eclipse
1961 Apr 12 07:17:00?     40.6       1.4 Sun at local horizon
1961 Apr 12 07:25:00      46.0      25.2 Retrofire, TDU pulse 40 sec
1961 Apr 12                              Ejection from capsule
1961 Apr 12 07:55:00                     Landing of cosmonaut

Vostok-2
1961 Aug  7                              Exit from eclipse
1961 Aug  7 06:47:00      39.6       2.2 Sun at local horizon
1961 Aug  7 06:50:00      40.5      11.5 8000 km from landing point, retrofire?
1961 Aug  7 07:11                        Landing?
1961 Aug  7 07:18                        Landing of cosmonaut

Vostok-3
1962 Aug 15                              Exit from eclipse
1962 Aug 15 06:11:00      24.8       3.2 Sun at local horizon
1962 Aug 15 06:24:00      40.0      49.2 Retrofire
1962 Aug 15 06:39:59                     Ejection from capsule
1962 Aug 15 06:44:09                     Landing of capsule
1962 Aug 15 06:52                        Landing of cosmonaut(Initial TASS report said 0655)

Vostok-4
1962 Aug 15                              Exit from eclipse
1962 Aug 15 06:17:00      26.5       0.5 Sun at local horizon
1962 Aug 15 06:30:00      40.0      46.0 Retrofire
1962 Aug 15 06:46:33                     Ejection from capsule
1962 Aug 15 06:59                        Landing  of cosmonaut (Initial TASS report said 0701)

Vostok-5
1963 Jun 19                              Exit from eclipse
1963 Jun 19 10:22:00     340.5       3.6 Sun at local horizon
1963 Jun 19 10:35:00     327.0      52.4 8000 km from landing point, TDU pulse 39 sec
1963 Jun 19 10:55:39                     Ejection from capsule?
1963 Jun 19 11:06                        Landing of cosmonaut

Vostok-6
1963 Jun 19                              Exit from eclipse
1963 Jun 19 07:39:00       3.5       2.0 Sun at local horizon
1963 Jun 19 07:54:48       8.9      66.2 Retrofire
1963 Jun 19 08:10:40                     Ejection from capsule
1963 Jun 19 08:20                        Landing of cosmonaut
 

According to A Kenden:

retrofire-ejection:16 min
retrofire-cosmonaut landing:25-29 min
retrofire-capsule landing:20-21 min