Boot time

I rebooted my computer at 6:54.   By the time my clock came up again
it showed 7:01.   Is that reasonable?

Hardware Overview:

  Model Name:	iMac
  Model Identifier:	iMac7,1
  Processor Name:	Intel Core 2 Duo
  Processor Speed:	2.8 GHz
  Number Of Processors:	1
  Total Number Of Cores:	2
  L2 Cache:	4 MB
  Memory:	2 GB
  Bus Speed:	800 MHz
  Boot ROM Version:	IM71.007A.B01
  SMC Version:	1.21f4
  Serial Number:	W87510QYZCV