I have some reservation about the whole concept of making weekends the focus of the whole planning.
Maybe it's because I live in Europe, but if one of our Bank Holiday falls on ... Tuesday, let's say, it is pretty normal to take a day off and enjoy a 4-days "weekend". This also applies to other cases were the national or bank holiday happens to be on Friday or Monday (e.g.: Easter).
In other words, some weekends are more "relevant" than others, but it is not so obvious if you do not also see potentially relevant dates of the week.
(I di try to plan my vacations/activities as early possible in the year, but I could not do it without a more complete view of the whole calendar.)