The local time in Austin is UTC -6 / GMT -6.
International flights land at the Austin Airport (AUS) 5 miles southeast of Austin.
1617 IH-35 North
Phone number: 512-479-4000
Unfortunately, the Double Tree Hotel (by Hilton) is already fully booked as of September 4.
Here is the link, in case some booking has been cancelled:
Other recommended hotels in walking distance: