Anything that you know will work and fuel that burning certainty is a good idea, and since we’re all motivated slightly differently, and have different ways of processing things (some people like visual stuff, others like sounds, touch, taste, etc) then use what has given you the best results, or which on an instinctive level you feel is going to be the best method to use.
The time to try new methods is in between these BIG workings that are for your major goals and dreams. For those, play to your strengths, cast your mind back on childhood successes, accidental things, even supersititions, and those silly ideas we have when young that some things are good omens, or bad news.
For example, one may learn about “Planetary days” and find that useful by using the Day most suitable for the magick, but if by the age of 10 you KNEW that Sunday was always your lucky day, and things seem to go better then, do your magick on a Sunday, or maybe use the planetary Hour of Sun and see if that extends the luck you have. This has real support within conventional magick, due to our astrological birth chart, and possibly also inherited spiritual allies and powers, from genetics, past-life inheritance, etc.
That’s about tapping into your personal river of power, the true magick, primal and before the written word, often indescribable: it’s the caveman writing his dreams of a good hunt on the walls, it’s the cat watching patiently for the mouse, seeing him appear… it’s creating the strongest possible world within your own mind, and that strength is what carries it out into the universe.
Where magick falls down is when one person shares their personal symbolism (which can be helpful, for sure) but then another magician turns that into circuit-breakers, like pass/fail points which, if not met, cause him to believe he has failed, and undermine his burning certainty that the magick will work. 
Wallace Wattles book The Science Of Getting Rich covers a lot of this information about the power of faith and certainty, and burning desire, there are many PDFs online because it’s out of copyright, I highly recommend reading it if you have time. 
It’s Science of Mind stuff and not directly “magick” (in fact many of those authors rejected “the occult” and were Christians) but it has great power, because it amounts to becoming the co-creator of your own reality; aka, becoming the living god.
And back to what we know as magick, maybe the example of someone who always finds Sundays lucky was previously a high priest of a Solar diety? Things like that are why knowing your own currents matters MORE than a load of book stuff that just confuses and adds conditionality, and pass/fail cutouts that can sink you. Gut first; books are the accessories, not the main current.
Trust yourself, fuel the need, do what you feel is the right method, and let that burning desire bring the power through you.
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