What's up with being unable to set the exact time of the summon capture? My group doesn't really want to do it at 18:00, and we can no longer select the hour.

Jib Edit: I have edited your post to fall more in line with forum rules. Summon has changed. The recent changes allows you only two attempts now but the rewards is a lot more than you used to know, I highly recommend trying it out. Also, the day is set by the group leader or seniors and you have a period of time to attempt it. Once you go in, I believe there is a 30 minute timer for you to damage the summon as much as you can. The more damage you do, the more coupons you get in return for your efforts.