Where's my refund says my refund should be sent today, but, it's 7am and it still hasn't updated to sent. Is there a specific time of the day they send the refunds?

There is no specific time, however if you had your fees deducted from your refund then it will need to go through Santa barbara Bank and Trust prior to being deposited into your account. 

If you did use the pay with refund option, you can go to  the Santa Barbara Tax Products Group website if you need assistance with your refund.