problem of "local" ! :-(

Dear R- Experts,

Seek your help.

I created a time sequence using:
x[i] <-chron(dates, tt, format=c(dates="y-m-d", tt="h:m:s"))
first element in the list is displayed as: (09-01-01 00:00:00) 

Now, I want to store this value as date.
If I use: format.Date(x[1],"%y-%m-%d %H:%M:%S"), I expect following value:
"09-01-01 00:00:00"

HOWEVER, the value displayed as: "09-01-01 01:00:00"

I want to create time sequence starting from 00:00:00 !!!

I realized that this is due to my "local" setting. I have GMT+1:00 setting.
However, I do not want my local settings to affect my time sequence.
Can someone please suggest me the solution?
Note: 
I do not want to change my local settings before I start R. Because that is
not practical.

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