Need to reccord the system power on timings?

Hi,

How to find the Laptop power on timings for the whole day ,I want to record all the power on and power off timing details. Is there any software is there means please suggest me that, that to great Thanks.

It's all there in the System Event Logs. It clearly defines the state of the system in Boots, Sleep Mode and Hibernation.

Here is how a Bootup looks:



Here is how a shutdown looks:



There are other states logged as well, it's all listed under KERNEL-BOOT, KERNEL POWER or KERNEL GENERAL