https://www.polygon.com/2017/10/2/16403430/destiny-2-servers-offline-maintenance-update-1-0-3-1

Destiny 2’s seemingly weekly bout of downtime for server maintenance is coming Tuesday instead of Monday this week, with a new update scheduled to launch during it.

The maintenance window is set to begin at 11 a.m. EDT on Tuesday, Oct. 3, six hours after the weekly reset. As usual, that’s when Bungie will stop allowing players to sign in to Destiny 2, but people who are already playing will be able to continue until noon EDT. At that point, the studio will kick everybody out of the game. Bungie expects to complete maintenance at 3 p.m. EDT.