Friday noble can only be a 3 day noble and It just turned Tuesday, so there is no way to know a spawn time for a Friday Noble. YDYN was removed because people weren't efficiently killing their noble/some groups decided to nuke the entire agreement.
I understand wanting to have a shot at more mobs, but nobles take roughly 1 group to kill and require getting the timer/watching things in sky. I highly doubt others are going to agree to just let it sit up. It would most likely mean someone else snipes it, the entire noble re spawn timer would drift further away, and that less nobles would be spawning.
If you want nobles, I'd suggest making a consistent presence in sky on your day, keeping track/understanding noble timers, and then contacting those that are killing them to try and work out a YDYN agreement of sorts. Get yourself a core group keyed to 1.5, get a wiz click neck, learn the way to do the noble pull by watching others. Some of us spent 6+ months or in some cases much longer farming sky without seeing a noble.
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