[tz] 2018e Morocco

Paul Eggert eggert at cs.ucla.edu
Tue Oct 23 15:47:23 UTC 2018

On 10/23/18 7:53 AM, Brian Basarich wrote:
> I understand the need for a rule that supports 2038 and beyond, but instead of having overlapping rules, why not create the rules like this:

Because that would be more complicated to maintain.

> I realize in 2038 the DST end date will likely be in September, and the 2038-max rule would have to be adjusted as future DST end date rules are added.  But I don't see how the above is any different than leaving the 2013-max rule.

Exactly. What we have for Morocco has the same effect as the rules you 
suggested, except it's easier to maintain.

> And aren't you eventually going to cap the 2013 rule end rule at 2035 down the road?

Nobody knows. It's possible Morocco will cancel DST entirely next year 
and that this will all be moot.

> Does this happen elsewhere in the database?  That is, where multiple rules apply to the same year, but one rule operationally supersedes the other?
I think so, yes.

More information about the tz mailing list