What are your hours of operation for Live Chat? Testclear Customer Service 2 Updated March 08, 2018 19:51 Follow Live chat is open Monday thru Friday, from 9am to 7pm Pacific Time Zone. All times listed on the site for Pacific Time Zone. Related articles New Customer Service Help Center Best Chances of Passing a Hair Test. How long does THC last in your body? Where are you shipping from? Help! I do not see a reading on the PU Temperature Strip. Comments 0 comments Article is closed for comments.