Your updated guide to recurring and one-off live digital marketing gatherings... from Twitter & Facebook chats to live video and podcasts.

EST Monday Tuesday Wednesday Thursday Friday
8 AM  #ecomchat - - - -
9 AM - - - - -
10 AM  #seotalk - - - -
11 AM  #pocchat  #contentwritingchat  #semrushchat
#brandchat
- -
noon -  #ppcchat
 #cmworld
#vcbuzz
 #bufferchat  #emailchat -
1 PM - -  pinchat
 #smchat
 #seochat
 #twittersmarter
 #marketochat
 socialmediaexaminer
2 PM - -  #chatsnap
 #adweekchat
-  #cmgrhangout
3 PM  #contentchat  #smxchat
 #letslivestream
 searchtalklive (3:30)
 #seopub
 #sproutchat
 #hootchat -
4 PM -  #socialroi - - -
5 PM - - - - -
6 PM - - - - -
7 PM - - - - -
8 PM  #mmchat  #linkedinchat - - -
9 PM - -  #mobilechat -  #blogchat (Sunday)
10 PM  #blogelevated - -  #mediachat -

other sources:
Quora sessions
Inbound AMAs
/r/marketing AMAs
Google Webmaster Central

 marketing multireddit