The various roulette bonuses can only be gotten once a day. You can still DO them after that but you wlll get much less exp for them. They reset about midday server time. (ie: 11:00 EST for me, East coast and all) If you miss one and do it early enough the next day, you can do the other one too once it resets.

What time do dailies reset Ffxiv?

Just like most other live service games, FFXIV features a daily and weekly reset time so players won't be able to just grind out all the tomestones and gear they need within a few days of playing. The daily reset occurs everyday at 11 a.m. Eastern Standard Time, or 8 a.m. Pacific Standard Time.

What time is weekly reset Ffxiv?

Be it the Fashion Report or your raid loot, some content in Final Fantasy XIV is limited by the weekly reset. This happens every Tuesday at 1am PST, and here is a list of examples of content that is affected: The weekly Tomestone cap (for the higher Tomestone tier).