Find last boot time Windows Server 2008
I got tired of searching through Windows Event Viewer logs trying to remember the system startup Event code and looked for a command-line alternative. What I found isn’t quite as memorable as “uptime” but it’s not too bad:
systeminfo | find "System Boot Time"
credit: http://www.walkernews.net/2008/06/18/how-to-check-windows-last-boot-up-time/