We have some weekend guilds that could probably use you, but you’d need to get ahold of them specifically to see their needs. 
A = Alliance, H = Horde.
My link for this is here: Weekend Raid Guild List [H/A]
If you’re looking for a list of all the weekend guilds on Turalyon , here ya go. Organized by start times & listed with Mythic or Heroic based on the long term goals of the guilds:
MORNING (5am+)
[H] Duplicity - Saturday & Sunday 10am-1pm EST Mythic
AFTERNOON (Noon+)
EVENING (5pm+)
[A] Elysium - Saturday & Sunday 7pm-9:30pm EST Heroic/Mythic
[A] Judgement - Saturday & Sunday 7pm-10pm EST Heroic
[A] Sage Crusaders - Friday & Saturday **7:30pm-10:30pm EST & Sunday 7:30pm-9:30pm EST Normal/Heroic
[H] Horder Faster Deeper - Friday-Sunday 8pm-11pm EST Heroic/Mythic
[H] Unbound - Friday & Saturday 8pm-10:30pm EST Heroic
[H] Prophets - Friday & Saturday 8pm-11pm EST Heroic
[H] Occasional Excellence - Friday 8pm-12am EST & Sunday 7pm-10pm EST Mythic/Cutting Edge
[A] In The Mountains - Friday & Sunday 8:30pm-11:30pm EST Heroic
[H] Ours Is The Fury - Friday & Saturday 8:30pm-11pm EST Heroic
[H] Delirious Underlings - Saturday 8:30pm-11:30pm EST Heroic
LATE NIGHT (9pm+)
[A] Mognificent - Friday & Saturday 9pm-12am EST Heroic
[H] Legend - Saturday & Sunday 9pm-12am EST Mythic/Cutting Edge
[H] Synthesis - Friday & Saturday 10pm-1am EST Mythic/Cutting Edge
[A] Loch Modan Yacht Club - Friday & Saturday 11:55pm-3am EST Heroic/Mythic