[tz] Fwd: Quintana Roo change to EST?

Carlos Raúl Perasso crperasso at gmail.com
Mon Feb 2 12:14:27 UTC 2015

The decree that modifies the Mexican Hour System Law has finally been
published at the Diario Oficial de la Federación (
http://www.dof.gob.mx/nota_detalle.php?codigo=5380123&fecha=31/01/2015). It
establishes 5 zones for Mexico:

1- Zona Centro (Central Zone): Corresponds to longitude 90 W, includes most
of Mexico, excluding what's mentioned below.
2- Zona Pacífico (Pacific Zone): Longitude 105 W, includes the states of
Baja California Sur; Chihuahua; Nayarit (excluding Bahía de Banderas which
lies in Central Zone); Sinaloa and Sonora.
3- Zone Noroeste (Northwest Zone): Longitude 120 W, includes the state of
Baja California.
4- Zona Sureste (Southeast Zone): Longitude 75 W, includes the state of
Quintana Roo.
5- The islands, reefs and keys shall take their timezone from the longitude
they are located at.

Data in v. 2015a reflect these changes.



On Wed, Jan 28, 2015 at 3:29 PM, Paul Eggert <eggert at cs.ucla.edu> wrote:

> On 01/18/2015 04:57 PM, Tim Parenti wrote:
>> As for 0003, which carves out a new zone for Felipe Carrillo Puerto's
>> divergent history, it's not clear the extent to which this is actually
>> necessary.  What did FCP actually do between 1998 and the present?  Would
>> someone calling local offices be effective in helping us find out?  (In the
>> meantime, I've simply created this patch so we can at least get a sense of
>> what it might look like; I don't actually feel that it should be applied at
>> this time until these questions are resolved.)
> Thanks for preparing those patches.  I think you're right, we're not
> enough sure about America/FCP_QRoo to put it in.  I did push it into the
> experimental repository, along with some minor followup fixups, but decided
> to revert it.  Your other patches look fine, and I've pushed them with the
> attached minor additional change (since the Q Roo patch is more important
> than the leap second patch).
> It's time for a new release soon, what with this and the Chile changes.
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