[tz] (no subject)

[Tim Parenti]

On Mon, 10 May 2021 at 06:36, Cool Gab19 via tz <tz at iana.org> wrote:

> can you add Philippine Daylight Time on your Database I think it was
> missing from the list of the time zones please reply immediately if solved
> thanks...
>

Our Asia/Manila zone implements DST for the Philippines on a few occasions
in its history; namely, 1936–1937, 1954, and 1978.  It also implements a
year-round forward shift of the clocks by one hour from early 1942 through
late 1944.  For some of these, we do not have exact transition times, so if
you have any better information, we'd love to hear it.

Our commentary does also mention that DST may have been used in the
Philippines at some point in the 1990s, but we don't have any details about
how or when this was implemented, so we've had to leave it out for now.

You can see our current data and commentary on the Philippines here…
https://github.com/eggert/tz/blob/6860c875400b70be52c71d7b7b9642b8667a8112/asia#L3456-L3511
and learn more about how to interpret this file here…
https://ftp.iana.org/tz/tz-how-to.html

If there's anything specific we should consider adding to this zone,
particularly as it relates to DST in the Philippines in the 1990s, please
provide as much detail as you're able.  Help us further document with
reliable sources, preferably a link to archived legislation/decrees or news
articles from the time in question which detailed the change for the
general public.

--
Tim Parenti

>
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