https://www.gamespot.com/articles/destiny-2-weekly-reset-time-is-changing-heres-when/1100-6454842/

Bungie is changing up the timing of Destiny 2's weekly reset. Currently, the reset happens at 1 AM PT on the Tuesday of each week, but starting with the release of the Curse of Osiris expansion on December 5, the weekly resets will take place at 9 AM PT.

Here's how that works out to where you might live: