For launching something new, a waxing moon is best. Of the three dates you're considering, only March 13th has a waxing moon. Actually, it's a new moon that's just beginning to wax at the time you cast the chart for. That works quite well. I launched my website under that kind of moon.
Another important consideration is the chart's angles: are they in mutable, cardinal, or fixed signs? If you want your endeavor to last long term, with plenty of stability, choose a time with fixed signs. If you're willing to see a lot of change with it, or even want that effect, choose mutable signs. Mutable signs also give you the possibility of Mercury-ruled angles, which are good for a communicative project--provided that Mercury is direct and in dignity.
Cardinal signs indicate rapid change, quick start, quick finish. Cardinal sign angles would be ideal for a kind of project that's supposed to make a quick splash but not necessarily last for long.
The charts you've cast are one with mutable angles--the March 13th one--and two with fixed angles. Your fixed angle charts both have Venus ruling the MC, which is nice for something creative, but there's a wild card in both of them: Uranus is at the MC. That might give you more of a quick splash effect, or might reflect your project being a very unusual one--or might bring some sudden, unpleasant, unwanted change.
If you like a date but don't like what's going on with the angles, you can alter it by changing the time you launch. But then we'd have to look more closely at which planets become angular and what's going on with the chart ruler.