In the last episode breakdown from New Rockstars, occuring dates is covered in a video section. According to our recent information at the MCU timeline, Spider-Man: Far From Home now have a more accurate year set. As we follow WandaVision Episode 4, Monica Rambeau is one of many that disappeared with Thanos first snap and now returning to real life again. Episode 4 also sums up the rest of the Endgame to the confirmed five years: Maria Rambeau died two years after Monica disappeared, three years later the blip occurs – which gives us the five years from Infinity War.
Information that is followed also tells us that WandaVision occurs three weeks after Endgame, which fits very well with Hulk’s unsnap and we will in this case land in october-november 2023. Spider-Man: Far From Home, and Parkers trip, then occurs summer 2024.
The Nick Fury post credits in Spider-Man: Far from home occurs eight months after Endgame.
It is known that “Earth616” is trying to keep track of when events in the MCU timeline ocurs. Likewise it is for WandaVision, which is still under discussion amongst some fans. So far, there are only theories that the events itself initializes shortly, up to year, after the events of Avengers: Endgame. So according to the timeline of MCU, the initial events probably lands in 2023-2024 MT (McuTime).
According to Collider, WandaVision will be paying homage to virtually every decade of TV sitcoms, but what this really means to the “occuring time” is still unknown.
Inverse is also theorizes the possibilities that WandaVision is taking inspiration from House of M.