The beginning of the film takes place in 1993, when the schoolgirls are age 15/16 (and the same year Take That had their first number 1 UK single. The film was released in 2023. However the character of Rachel (Aisling Bea) refers to these events as being "25 years ago". So either the film is set in 2018 or the scriptwriters have lost five years somewhere in the mix.
Note: The original stage musical was written in 2017 so they are presumably using the same script (which would make the timeline correct).
Note: The original stage musical was written in 2017 so they are presumably using the same script (which would make the timeline correct).