Re: GMT Offset
This WebDNA talk-list message is from 2005
It keeps the original formatting.
numero = 61716
interpreted = N
texte = Bob Minor wrote: > This is the one I like, I put it in my globals folder and can also feed > in either the offset in days or minutes to get future or past times. That looks to be a variant of the one I use for MIMEHeaders.inc. Note everyone that the technique it uses isn't completely portable either by platform or by timezone. Windows, in particular, is inconsistent in what it returns in response to the %Z format (I can't remember whether most OS's return the three letter code or the long timezone name; if M$loth implemented %z correctly as the offset for UTC, this would all be so much easier). Bob has fixed this by checking for ("[date %Z]"^"Daylight")|("[date %Z]"^"CDT") but of course, this doesn't work unless your DST zone is CDT. As an additional problem, the ISO three-letter codes are themselves not unique, but they are always "locally" unique. Consequently, you need to tweek this code for each server you install. Caveat programmer... John -- John Peacock Director of Information Research and Technology Rowman & Littlefield Publishing Group 4720 Boston Way Lanham, MD 20706 301-459-3366 x.5010 fax 301-429-5747 ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list
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Bob Minor wrote: > This is the one I like, I put it in my globals folder and can also feed > in either the offset in days or minutes to get future or past times. That looks to be a variant of the one I use for MIMEHeaders.inc. Note everyone that the technique it uses isn't completely portable either by platform or by timezone. Windows, in particular, is inconsistent in what it returns in response to the %Z format (I can't remember whether most OS's return the three letter code or the long timezone name; if M$loth implemented %z correctly as the offset for UTC, this would all be so much easier). Bob has fixed this by checking for ("[date %Z]"^"Daylight")|("[date %Z]"^"CDT") but of course, this doesn't work unless your DST zone is CDT. As an additional problem, the ISO three-letter codes are themselves not unique, but they are always "locally" unique. Consequently, you need to tweek this code for each server you install. Caveat programmer... John -- John Peacock Director of Information Research and Technology Rowman & Littlefield Publishing Group 4720 Boston Way Lanham, MD 20706 301-459-3366 x.5010 fax 301-429-5747 ------------------------------------------------------------- This message is sent to you because you are subscribed to the mailing list . To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
John Peacock
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