Aamir Khan's romantic drama 'Ek Din' is set to release on May 1, with advance bookings opening a notable 39 days prior. This strategy aims to build momentum for the film, which features Junaid Khan, Aamir's son, in his debut role, alongside Sai Pallavi, who is making her first appearance in a Hindi film. Aamir explained that the decision to start bookings early stemmed from the film's unique nature, as it stars relatively new actors. He expressed confidence in the storytelling and praised director Sunil Pandey for his hard work in adapting the narrative. The film is based on the 2016 Thai movie 'One Day', focusing on a poignant love story between colleagues, where a young man has one day to express his feelings for a woman he admires.