how to interpret last log

Hi,

 Saw this last log and got confused on my Etch

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
bcv      pts/0        :0.0             Mon Aug 27 22:00   still logged
in   
bcv      tty2                          Mon Aug 27 21:58   still logged
in   
bcv      tty1                          Mon Aug 27 21:57   still logged
in   
reboot   system boot  2.6.21.1-bcv     Mon Aug 27 21:56 - 22:00

(00:04)    

bcv      tty1                          Mon Aug 27 11:52 - down

(00:06)    

reboot   system boot  2.6.21.1-bcv     Mon Aug 27 11:52 - 11:59

(00:07)    

bcv      pts/0        :0.0             Sun Aug 26 23:18 - down

(00:00)    

bcv      pts/0        :0.0             Sun Aug 26 22:42 - 22:56

(00:13)    

bcv      pts/1        :0.0             Sun Aug 26 21:36 - 21:41

(00:04)    

bcv      pts/0        :0.0             Sun Aug 26 21:36 - 21:57

(00:20)    

bcv      pts/1        :0.0             Sun Aug 26 20:52 - 20:53

(00:00)    

bcv      pts/1        :0.0             Sun Aug 26 20:51 - 20:52

(00:00)    

bcv      pts/1        :0.0             Sun Aug 26 20:38 - 20:43

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

especially

bcv      tty1                          Mon Aug 27 11:52 - down   
reboot   system boot  2.6.21.1-bcv     Mon Aug 27 11:52 - 11:59 

a user logged-in from 11.52 to 11.59 but the system went down at 11:52 ? how is this possible
Rest assured that there is no ntp or something of that sort running which can auto-sync my time to internet time.

-- 
Bhasker C V
Registered Linux user: #306349 (counter.li.org)
The box said "Requires Windows 95, NT, or better", so I installed Linux.


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