[tz] Maryland permanent DST?

[Arthur David Olson]

Word from a staffer in the office of Lorig Charkoudian, a Maryland Delegate
to whom I wrote regarding the desirability of a bill being considered
requiring lots of advance notice of Daylight Saving changes: "at this
point, the bill does not look like it will progress favorably this session."

@dashdashado

On Thu, Mar 5, 2020 at 8:06 PM Paul Eggert <eggert at cs.ucla.edu> wrote:

> On 3/5/20 4:12 PM, Arthur David Olson wrote:
> > 1. What's the best available statement on desirable lead times?
>
> <https://data.iana.org/time-zones/tz-link.html#changes> says this:
>
> "If your government plans to change its time zone boundaries or daylight
> saving rules, inform tz at iana.org well in advance, as this will
> coordinate updates to many cell phones, computers, and other devices
> around the world. With less than a year's notice there is a good chance
> that some computer-based clocks will operate incorrectly after the
> change, due to delays in propagating updates to software and data. The
> shorter the notice, the more likely clock problems will arise; see 'On
> the Timing of Time Zone Changes' for examples."
>
> > 2. In the case at hand, is changing to "on the second Sunday of March in
> > the year after the change" sufficient?
>
> Most likely. It depends on whether the federal change gives us enough
> notice. Last time it did, and I'd expect the same this time.
>
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