SXSW Fest March 9-18! Over 3,000 Volunteers are needed. You got at least 30 hours to donate, then SXSW Fest needs you. There are 2 types of volunteers conference volunteer and production volunteer. The perks can be Awesome depending on your volunteer load. There's 2 volunteer calls scheduled at the Austin Convention center...January 21 from 3:00 - 5:00 p.m. , and January 24 from 6:00- 9:00 p.m. Click for her for more 411!