NAVADMIN Announcing FY22 O5 and O6 Board Dates and Zones
Here’s a link to the NAVADMIN:
https://www.public.navy.mil/bupers-npc/reference/messages/Documents/NAVADMINS/NAV2020/NAV20319.txt
As you can read, the info on the O4 board will be forthcoming. The Excel spreadsheet that shows the O5/O6 promotion zones was circulated my my office a few days ago via e-mail as I can’t post it here. If you don’t have it, your Specialty Leader should be sending it out.