Issues w/Daylight Savings Time in 2007 ?

David Shaw dshaw at
Thu Dec 28 07:10:24 CET 2006

On Thu, Dec 28, 2006 at 12:01:51AM -0600, Robert J. Hansen wrote:
> David Shaw wrote:
> > GPG (like all OpenPGP programs) uses the common "seconds since
> > 1/1/1970 UTC" method of storing time where daylight savings time or
> > other conversions are irrelevant.
> In doc/DETAILS, it says that soon GnuPG will migrate to an ISO time
> format.  What are the motivating reasons for this?  What's the timeframe
> for the changeover?  I've seen this warning in the DETAILS file for
> quite some time, so I'm kind of wondering if that's still the plan or if
> it's been forgotten about.

Werner would have to say the reason, but I want to note that this is
only an output/display change.  Internally, GPG will always use
seconds since epoch for OpenPGP as this is part of the OpenPGP


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