Based on the new map and mode rotation being used by Raven Software the first confirmed day of Rebirth Island coming back is on August 26 2022.

The New Warzone 2 Map Al Mazrah | Release Date Images - EarlyGame

15‏/09‏/2022 — The new Warzone map Al Mazrah will launch with Warzone 2.0 on Wednesday November 16. So only two weeks after Modern Warfare 2s launch which ...

Warzones New Rebirth Map Fortunes Keep | Release Date

20‏/06‏/2022 — Fortunes Keep will be released in Season 4 of Warzone on June 22 at 1000 PT (1300 ET / 1800 BST / 1900 CEST). Its going to be a huge ...

Warzone New Rebirth Map 2022 Release Date When Is Founder ...

15‏/06‏/2022 — WHEN DOES THE NEW WARZONE REBIRTH MAP COME OUT? ... The latest Warzone Rebirth map Founders Keep is scheduled to be released on June 22nd. A ...

When Is Rebirth Island Coming Back To Warzone? Time & Date Confirmed

29‏/06‏/2022 — The new map will be sticking around even with the return of Rebirth Island. The bad news is that Rebirth Island will only be available to play ...

When Does The New Warzone Map Come Out? Fortunes Keep ...

18‏/06‏/2022 — Fortunes Keep is a brand new resurgence map that will temporarily replace the popular Rebirth Island. Dont worry though as Raven Software has ...

Warzones Rebirth Island map will likely be replaced in Season 4

14‏/06‏/2022 — The map will reportedly come to Warzone alongside season 4 which is set to start on or around June 22. A map of the new Fortunes Keep ...

Rebirth Island Reinforced Warzone map update – everything we know

21‏/03‏/2022 — The Rebirth Island Reinforced Warzone map update coming in Season 2s mid-season update which launches on March 23 2022.