"Srdjan Krajnalic" <ludiskr at yahoo.com> writes: > However GB-Eire starts with a 1916 rule, leaving anything from 1847 until > 1916 seemingly undefined. Until the first rule applies, you use the first-listed rule that is on standard time (in this case, "GMT" with UTC offset zero). Unfortunately I don't see this point being covered clearly in the zic man page.