About the oldest and most reliable guild point site is ffrecipe. They typically have the items figured out within 1-2 minutes after every new day. They have been one of the top leaders in crafting world for many many years. Give them a shot:  The site originally operates in Japanese so be sure to click the US flag in the upper right hand corner and everything should switch over to English.
Next best site is the good fellows at ffxiah. They not only help you find the item but let you know if that item is available to purchase. Their GP can be found here: 
Good luck and happy crafting!