What are Milestone Rewards?

In order to level up your character so they can gain access to endgame activities like Raids and get the best Weapons and Armour you will need loot. In destiny 2 there is a reward system called 'Milestones' which is accessed by going into the Director and where upon completion of any of the ojectives on the list you will be rewarded Legendary and exotic weapons.

Milestone activities and their rewards are reset every week on Tuesday and they give you the opportunity to harvest rewards from them, they also allow you to redo and reclaim activity rewards that you may have missed. The activities that change weekly include Flashpoint Destination, nightfall Strike, Clan Experience/Rewards, Treasure Maps, and Raid Rewards

Below are the global times that destiny 2 reset each week.

2 am PST

5 am EST

10 am BST

11 am CEST

There is also a daily reset where you will be able to access new planet Patrols, new Strike challenges, and new Crucible Challenges. If you regularly participate in these activities and redo them you will be able to stockpile plenty of Crucible Tokens which you can then trade in to either Lord Shaxx for the Crucible, or Commander Zavala for strikes.