Source:
https://playoverwatch.com/en-us/news/23000186/overwatch-anni...Week One:
DATE BRAWL
Tuesday, May 21 Lucioball
Wednesday, May 22 Junkenstein's Revenge
Thursday, May 23 Snowball Offensive
Friday, May 24 Yeti Hunt
Saturday, May 25 Uprising
Sunday, May 26 Retribution
Monday, May 27 Storm Rising
Week Two:
DATE BRAWL
Tuesday, May 28 Lucioball
Wednesday, May 29 Junkenstein's Revenge Endless
Thursday, May 30 Snowball Offensive
Friday, May 31 Yeti Hunt
Saturday, June 1 Uprising (All Heroes)
Sunday, June 2 Retribution (All Heroes)
Monday, June 3 Storm Rising (All Heroes)
Week Three:
DATE BRAWL
Tuesday, June 4 Lucioball
Wednesday, June 5 Junkenstein's Revenge
Thursday, June 6 Snowball Offensive
Friday, June 7 Yeti Hunt
Saturday, June 8 Uprising
Sunday, June 9 Retribution
Monday, June 10 Storm Rising
Tuesday, June 11 Lucioball
**This schedule may be adjusted throughout the event**