While the Virtual Exhibit Hall is available to all participants 24/7, the official show hours are 11:00 a.m. - 5:00 p.m EDT on Monday - Thursday.
During this time, you can exect to be able to connect with exhibitors and colleagues from the show. If you happen to visit a booth after hours or when an exhibitor is away, just leave a message so they can get back in touch with you.