We should probably redesign this and add ability to specify user timezone to remove any ambiguity.
That said, I have never actually manage to reproduce this issue and would really appreciate a video showing exactly which timezone user is in and what date the pipeline has been created (preferably the POST request with cron data)
Also possibly some weirdisms because I had moved timezones... I live in central, but I was at my parents house in eastern. Would be useful at least to know what time/zone it thinks it's in in the display. I will see about a video maybe later.