On: The tight-knit time zone data maintenance community

[btilly]

But PDT is unambiguous. It is used for nothing except Pacific Daylight Time. That was standardized a long time before the Olsen database which added Continent/City as a convenience.

[dragonwriter → btilly]

> But PDT is unambiguous

PDT might be, but others aren't (e.g., ACT, ADT, AMT, and AST are all ambiguous, and that's just in the As)