How can I sort by half hour intervals?
Hi there, I'm unable to figure out how to sort my card by half hour intervals. It seemed to be fine at first, but when changing date ranges, the intervals shift in seemingly random ways. I have a date field, `contactStart`, that's formatted as YYYY-MM-DD HH:MM:SS (example: 2018-06-18 14:41:28). I've tried the following…
