On WordCamp sites, the session times have been saved as a unix timestamp in UTC, regardless of the site’s timezone. We’ll be fixing this across all WordCamp sites, but this requires changing the session time for all sessions on all sites to include the timezone offset. This should not affect organizers or attendees, but anyone using the timestamp directly from the API will see a change.
You can see how we’re fixing this on GitHub, and if you have any input, please leave a reply. There was also some discussion on slack.
What’s the problem?
We were saving timestamps as