(For context I work on EA Global at the Centre for Effective Altruism.)

Thanks for the question Evelyn! The precise timings haven't been locked down yet, but roughly based off how we've done things previously (and how I expect things to happen this time):

• Start: Drinks reception and career's fair begin on the Friday evening at around 5–6pm — and most people generally arrive at this time (or shortly beforehand). However, there will likely be a few smaller sessions (e.g. affinity group meetups or a "how to make the most out of EAG" workshop) earlier on the Friday afternoon (like all sessions, these are very optional).
• End: Sunday dinner/drinks likely ending around 10pm.

That said, attendees are free to show up or leave whenever they want (e.g. showing up just on the Saturday and Sunday, or leaving for a couple of hours on Saturday to have a nap).

If you are easily able to, and want to make the most of the event, I'd recommend arriving early on the Friday (or the day before) and leaving as late as possible on the Monday (as you may be quite tired — many people stay up quite late on the last night). More information, including a more detailed schedule, should be sent out to attendees closer to the conference.

Hope this is helpful! Additionally, I/the team may not by default see questions about EA Global posted to the Forum, so feel free to email us (hello@eaglobal.org) to either ask us questions privately, or direct us to public questions asked on this site.

So far as I know, the schedule is not yet finalized, but the approximate schedule is as follows:

• The event will begin with an opening reception on Friday, July 29 (but you can arrive and register at any time during the weekend).
• Saturday (30) and Sunday (31) will have full-day schedules with a closing reception ending around 10 pm on Sunday evening.