On Wed, Oct 30, 2013 at 09:25:59AM +0100, Carsten Bormann <cabo@xxxxxxx> 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.