This document discusses time zones and online conferences. It notes that the internet is open 24/7 but people are in different time zones, making communication challenging. For online conferences, the document considers using the organizer's, majority's, or UTC time zone. UTC is recommended as it privileges no one. Time zone converters can help determine local times. Global conferences should advertise in UTC and record sessions so people can view later. Operating by "spheres of influence" is also considered but has disadvantages.