The way I did it (and personally prefer when finding a new series) is the way you suggested:
Start with a "hefty" amount of pages, and then settle into some sort of weekly routine (whatever you can manage, 1 page a week, 2 pages a week, 1 page twice a week, 1 page every other week, etc.)
The reason for this is it's really hard to judge a series off of just 1 or 2 pages. If you include enough up front for like 1 whole scene, or even just like 5ish pages it gives readers enough time to get invested on their first visit
I noticed you've been reading my comic, TreasureHUNT!!. That's basically why my first update was 7 pages long- so that people who stumbled upon my comic that first week had a full scene to read, I just chopped it off right where it ended xD
Edit: skimmed over the "time of day" part. There's no true answer to this, tbh. Regardless of when you post it'll be morning/noon/night at certain parts of the world, and people read comics at all different times as well. Even the day doesn't matter so much: I post on sundays and get a big spike in views, but then Wednesdays also give me almost just as many views most weeks (with no additional advertising, I do that all on Sunday as well)? It's very strange.