Title: Fukushima 50 (film)
Content:  Filming began in November 2018. Post-production began in May 2019.
Title: The Prey (1983 film)
Content:  Director Brown had wanted to shoot the film on location in Colorado, where it is set, but was unable to afford the production costs. The filmmakers initially scouted Big Bear, California, but decided to use Idyllwild instead, as it was less populated at the time, and was in close proximity to Los Angeles. Bostwick recalled that the filming locations were "In the mountains above Palm Springs, around the USC Music camp. Principal photography began in Idyllwild on in the fall of 1979, with a budget of approximately $150,000. The film was shot over the course of ten days, with filming occurring Monday through Friday between October 15 and October 29. The film was shot on 35mm with a Panaflex 
Title: The Opening Act
Content:  In June 2018, it was reported that principal photography for the film had already begun in Los Angeles.
Title: 3 from Hell
Content:  Principal photography began on March 13, 2018 and wrapped on April 10, 2018. The Sybil Brand Institute in Los Angeles, a decommissioned women's prison, served as one filming location. Post-production was postponed five months to allow completion of Zombie's and Marilyn Manson's tour. The editing process began on September 11, 2018 with sound mixing commencing on March 15, 2019, and completed by the end of April. According to Rob Zombie, Sid Haig was originally going to have a larger role, but was unable to commit for the whole film due to health issues. As a result, the script was rewritten to introduce Richard Brake's character to take his place. Haig passed away shortly after the film was released on September 21, 2019.
Title: Birds of Prey (2020 film)
Content:  Principal photography began in Los Angeles, California, in January 2019 under the working title Fox Force Five, a reference to a fictional TV show of the same name mentioned in Pulp Fiction. Although filming had been expected to also take place in Atlanta and Savannah, Georgia, the entire shoot took place in Los Angeles after the production received a tax credit from California. Filming was expected to be completed by mid-April 2019. In February, Charlene Amoia joined the cast. Filming wrapped on April 15, 2019.
Title: Prey (2022 film)
Content:  Filming was expected to occur in Calgary, Alberta, Canada, in 2021. In July, Davis revealed that the film was officially three quarters of the way done. In September, cinematographer Jeff Cutter confirmed the filming had wrapped in addition to the castings of Dakota Beavers and Dane DiLiegro.
Title: Pups (film)
Content:  The film is set in an unnamed American suburb and was shot in Chatsworth, Los Angeles. It was financed by Japan-based Team Okuyama in October 1998, with the condition that filming would be complete by December of the same year. The film was shot in two weeks in December 1998. The director, Ash noted that the film was timely within the context of real-life crimes during this period, alluding to the Jonesboro shootings; "The film was a reflection of what was going on in Jonesboro and around the world,". As well as the controversy of the Columbine killings, the release of the film was complicated by the arrest of one of its co-stars, Adam Farrar. Farrar had been arrested in March 1999 on suspicion of attempted murder and making terrorist threats against his girlfriend.
Title: Patriots Day (film)
Content:  Principal photography began on March 29, 2016, in New York City, New York, Boston, Quincy, Massachusetts, Los Angeles, California, New Orleans, Louisiana and Philadelphia, Pennsylvania   with production offices and a soundstage set up in one of the Centennial Park warehouses in Peabody, Massachusetts. All interior scenes at the FBI warehouse headquarters, as well as exterior 'command tent' scenes, were shot there. Filming was previously scheduled to take place on Laurel Street in Watertown to recreate the shootout that took place between police and the Tsarnaev brothers on the actual location, but after objections by residents, town officials denied permission for the film 
Title: WWII: The Long Road Home
Content:  Filming began on 25 October 2014 in Turkey. Hasler was on holiday there at the time and as he was starring in the film decided to shoot scenes there for the film. Due to the three year production on the film, this process was also replicated in Italy, Spain and France, with the latter country providing locations for crucial scenes for the winter sections of the film. The majority of filming took place in Brighton, England and the surrounding area in Sussex. Scenes were shot at Pippingford Park in July 2016, which also served as a location on the television series Band of Brothers. Filming wrapped in March 2017 after three years of production. Hasler edited the film himself and the score was composed by musician Jamie Scarratt, who was also 16 at the time of production.
Title: The Fallout (film)
Content:  Filming was slated to begin in March 2020 but was postponed due to the COVID-19 pandemic. Principal photography began in Los Angeles in August 2020 and wrapped on September 11, 2020.

Question: when did the movie the post begin filming?
Answer: May 2017.
May 30, 2017.