OK, I used ntpdate to sync it with freebsd.org . It's fine now. Thanks.

On 20 Jul 2001, Thomas Eibner wrote:
> On Fri, Jul 20, 2001 at 11:02:02AM -0500, Mohammed W Islam wrote:
> > Hi guys!
> > 
> > Do you know how I can change the system time in freeBSD4.1 ? (I would
like
> > to overwrite the time it gets from cmos)
> 
> I'd suggest using ntp..
> 
> or if you simply want to set it once:
> 
>      The command:
> 
>            date 8506131627
> 
>      sets the date to ``June 13, 1985, 4:27 PM''.
> 
> (from man date)
> 
> -- 
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> v82MZgahkQ35Jc0bP+VDdMVjaF33bSuFiA6dXmN9ihc6qMiwaLq+11aPuTadNoXUD3rPH4eU
> pyhS5G3YTenenIt32s9KZHleXD7mT++ivG1z3r8ac/mOyp2rlf0yo7z7tAre/Y5Yn76P5yrE
> jRlLkV2w632Yfb65JmXrYqy8y+amPUpZ/vfiAAAAAAAAAAAAAAAAAPDkfgDIhI/FACgAAA==
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