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Daylight Savings time on 5.0.2

This is a discussion on Daylight Savings time on 5.0.2 within the Sco Unix forums, part of the Unix Operating Systems category; --> Am running 5.0.2 and 6 months ago started using xntpd to keep my time correct on 1 server. I ...


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  #1 (permalink)  
Old 02-15-2008, 12:15 PM
John Clarke
 
Posts: n/a
Default Daylight Savings time on 5.0.2

Am running 5.0.2 and 6 months ago started using xntpd to keep my time
correct on 1 server. I was then using this server as a time server for all
my other unix and windows systems.
However, the timezone I am in, (Central Australian Time) offers no automatic
DST in SCO's Time Manager. DST commenced 2 weeks ago. As such my system time
is out by 1 hour if I continue to update in this way.

Cant find anyway around this in the SCO resources or anywhere else.
Does anyone know of a way around this so that I can still update my time
from an external clock during normal time and DST?

Thanks,

John Clarke


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  #2 (permalink)  
Old 02-15-2008, 12:16 PM
Jean-Pierre Radley
 
Posts: n/a
Default Re: Daylight Savings time on 5.0.2

John Clarke typed (on Fri, Nov 14, 2003 at 09:37:03AM +1030):
| Am running 5.0.2 and 6 months ago started using xntpd to keep my time
| correct on 1 server. I was then using this server as a time server for all
| my other unix and windows systems.
| However, the timezone I am in, (Central Australian Time) offers no automatic
| DST in SCO's Time Manager. DST commenced 2 weeks ago. As such my system time
| is out by 1 hour if I continue to update in this way.
|
| Cant find anyway around this in the SCO resources or anywhere else.
| Does anyone know of a way around this so that I can still update my time
| from an external clock during normal time and DST?

NTP daemons keep UNIX time, not local time. This is seconds since The
Epoch, defined as midnight January 1st, 1970 GMT. Your kernel keeps
that time too, NOT local time.

Local time is displayed by commands like /bin/ls by applying the offset
in your TZ environment,

Read the timezone(F) man page. Note that the DST rules for the United
States are used by default. Try altering the sample shown in that man
page for the Cook Islands.

--
JP
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  #3 (permalink)  
Old 02-15-2008, 12:18 PM
John Clarke
 
Posts: n/a
Default Re: Daylight Savings time on 5.0.2

JP,

Thanks for the directions.

Found the 'tz' command which allowed me to properly configure start and end
times/dates for DST in my timezone.

John

"Jean-Pierre Radley" <jpr@jpr.com> wrote in message
news:20031114010700.GF13546@jpradley.jpr.com...
> John Clarke typed (on Fri, Nov 14, 2003 at 09:37:03AM +1030):
> | Am running 5.0.2 and 6 months ago started using xntpd to keep my time
> | correct on 1 server. I was then using this server as a time server for

all
> | my other unix and windows systems.
> | However, the timezone I am in, (Central Australian Time) offers no

automatic
> | DST in SCO's Time Manager. DST commenced 2 weeks ago. As such my system

time
> | is out by 1 hour if I continue to update in this way.
> |
> | Cant find anyway around this in the SCO resources or anywhere else.
> | Does anyone know of a way around this so that I can still update my time
> | from an external clock during normal time and DST?
>
> NTP daemons keep UNIX time, not local time. This is seconds since The
> Epoch, defined as midnight January 1st, 1970 GMT. Your kernel keeps
> that time too, NOT local time.
>
> Local time is displayed by commands like /bin/ls by applying the offset
> in your TZ environment,
>
> Read the timezone(F) man page. Note that the DST rules for the United
> States are used by default. Try altering the sample shown in that man
> page for the Cook Islands.
>
> --
> JP



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