brad at stop.mail-abuse.org
Tue Nov 9 14:23:28 UTC 2004
At 8:42 AM -0500 2004-11-09, Chorine, Dmitry (IDS GNS) wrote:
> When I use ntp client w/ slewing my time (adjtime() system call) instead
> of (settimeofday()), will it'll change normally (+1hour or -1hour) when
> there is a time change? Like there was a few weeks ago? Day saving time?
> Or will it just go little by little until it gets there..
NTP operates exclusively in UTC. Things like daylight savings
time and all other time zones are merely a representation issue that
is handled by the OS when the information is to be displayed, and can
be configured on a per-user basis through the $TZ environment
variable, and a system-wide default basis through a file like
There is nothing you should need to do in order to correctly
handle the daylight savings time change, and your system clock won't
be changed as a result. The only thing that will change is the way
the time is represented when output.
Brad Knowles, <brad at stop.mail-abuse.org>
"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."
-- Benjamin Franklin (1706-1790), reply of the Pennsylvania
Assembly to the Governor, November 11, 1755
SAGE member since 1995. See <http://www.sage.org/> for more info.
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