I'm not sure there's any one time that's always the very best. Any all categories probably vary. But, when I list or relist Mon - Thur I get the most views. However, the days that I get the most sales are Sundays and Mondays. Go figure.
I've never done a test (like listing AM & PM everyday for 2 weeks) to get an idea of what gets views and what gets sales. Maybe that's something you could try though. If you search your question in "Business Topics" you'll get a ton of threads to read. And, what I've gathered from all the ones that I've read is that no one really thinks the same strategy will work for everyone.
It just takes time to figure out what works for you, good luck
Kayla B