On Fri, 17 May 2019 at 19:42, Saeed Hubaishan <[email protected]> wrote:
> > So opening_hours syntax must accept the other calendar systems. > Opening_hours syntax is complicated enough, without adding other calendar systems. It is a compromise between human readability and computer parseability. Some would say it is already too complicated, even though it doesn't handle some things that some people would like it to. I think that you would have to come up with something like opening_house:islamic or something like that to segregate the two systems. And that only handles dates. Some Islamic countries use solar time rather than a time offset from UTC. Worse, different Islamic countries have slightly different definitions of solar time. And then some places may use the solar time (defined one way) of a central location whilst others use the solar time (possibly defined a different way) locally: one country might use solar time in the capital city everywhere in the country whilst another uses the local solar time. You can probably get away with saying "12:00 means noon in this locality, however they define it" but maybe not. "However the locals define it" is probably workable for tourists, not so good for people who want to phone an office on the other side of the country before it closes. It gets messy, but if you can come up with something that handles all the possibilities, that's great. But please put it in opening_hours: whatever_we_call_it rather than ordinary opening_hours. Because opening_hours is already messy enough. -- Paul
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