According to my proxy notice from Scottrade:
Online voting is accepted up to 11:59 PM (ET) the day before the meeting/cut-off date.
What time is the virtual meeting, I only see the date:
This is a notification of the:
2015 PATRIOT SCIENTIFIC CORPORATION Annual Meeting of Shareholders
MEETING DATE: April 30, 2015
For Holders as of: March 6, 2015