There are 2 types of webinars to expand your knowledge and wisdom of the world of Project Management.
ISSIG Pre-Recorded Webinars: First, there are ISSIG produced pre-recorded webinars available 24/7 that you can view, rewind, and watch at any time.
Live Webinars by CAI's IT Metrics and Productivity Institute 
ISSIG now has Software Best Practices webinars provided in conjunction with CAI's IT Metrics and Productivity Institute. These Live Webinars are dedicated to improve the practice and management of software development and maintenance worldwide. They are live and interactive so you can actually participate and collaborate with experts in our field! ISSIG members can view free live webinars and earn PDU credits.
Remember, live webinars are only available for viewing at the time listed. You can see what time you can view the live webinars through www.timeanddate.com/worldclock/converter.html