The OpenMRS 2019 Hackathon will take place over the course of 1 and a 1/2 days, commencing on 2nd Dec 2019 and coming to a close on 3rd Dec 2019 at 1:00 pm, to pave way to the official opening of the conference on the same day.
Participating teams will have time throughout the conference to continue working on their solutions and present on their achievements to the community on Friday 6th Dec 2019.
You find more details on the hackthon here:
https://wiki.openmrs.org/display/RES/2019+Implementers+Conference+Hackathon