On Wed, Oct 30, 2013 at 09:25:59AM +0100,
Carsten Bormann <cabo(_at_)tzi(_dot_)org> wrote
a message of 16 lines which said:
I don’t know about “only UTC" for events that are also visited
locally, but giving the UTC time as well would be a good idea.
My experience with international organizations is that, when you
indicate the time in two zones, there is often a discrepancy. With
only one zone, there is no doubt about the real value.