[Tagging] opening hours

John Smith deltafoxtrot256 at gmail.com
Sun Feb 21 15:21:31 GMT 2010


On 22 February 2010 00:09, Ben Laenen <benlaenen at gmail.com> wrote:
> * derivatives of sunrise and sunset (like two hours before sunset). Some parks
> here have opening hours like that.

I'll take a stab, might be able to do this using round brackets...

(sunrise+2)-(sunset-2)

> * public holidays, and combinations (each Monday, except on a holiday; or each
> holiday, except on a Sunday)

This one has me stumped, I keep thinking !Su for not sunday, but not
sure how to express the public holiday, PH!Su maybe...




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