All deadlines are 23:59:59 American Samoa time (UTC-11)
Issue 1:
Paper submission deadline: May 31, 2017
Issue 2:
Paper submission deadline: August 31, 2017
Issue 3
Paper submission deadline: November 30, 2017
Issue 4:
Paper submission deadline: February 28, 2018
Submission Guidelines
Full submission guidelines are at https://www.petsymposium.org/authors.php#submission-guidelines
As part of program committee and editorial board, I encourage submissions to this great venue.