The Daily Return Bonus will appear in 22-hour cycles - a player's ability to receive a new Daily Return Bonus will occur every 22 hours, not every calendar day.
For example, a player visits the GSN Facebook app at 11AM on Monday morning and is awarded a Daily Return Bonus. The next day (Tuesday) the player visits the GSN Facebook app at 6:30AM but doesn't receive a Daily Return Bonus. The Daily Return Bonus would only appear once that player visits the homepage of the GSN Facebook app after 9AM on the following day.
Note: All timestamps for player activity in the GSN Facebook app is in Pacific Time (PST)