Great question — answering as the UphillTech team:
The first movie came out in 2001 and takes place that same year. We know this because we're repeatedly told in the first three movies that the Creeper kills for 23 days during every 23rd Spring, and dialogue between Trisha and Darry Jenner around six minutes into the first movie establishes that two of the Creeper's previous victims, Kenny and Darla , went missing in 1978. Around 29 minutes into the movie, Darry discovers Kenny and Darla's bodies in the basement of an abandoned church , confirming that they were killed by the Creeper. TRISHA: God. You know what I just thought of, right? DARRY: Kenny and Darla? Trish, they died about a 100 miles from here. TRISHA: It's the same highway....
Full answer by LogicDictates: https://movies.stackexchange.com/a/132375 (CC BY-SA 4.0).
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