Check start up date under Linux

Obviously “uptime” provides that information but only gives the number of days. On one of my server, it shows:

01:39:53 up 445 days, 11:15, 2 users, load average: 0.00, 0.00, 0.00

But when did that happen ? I don’t know any option which can compute the actual date using uptime.
I realized the other day that [...]

Dec 19, 2008 | Have your say »