On 3/4/19 4:29 PM, Isiah Meadows wrote: > They seem to refer to the same thing, so it doesn't make much sense to > me why they're considered different. They generate different abbreviations: $ TZ=Etc/UTC date; TZ=Etc/UCT date Tue Mar 5 19:45:10 UTC 2019 Tue Mar 5 19:45:10 UCT 2019