Donald Trump's 2025 state visit to the United Kingdom lasts three days, from September 16 to September 18. He arrived on the evening of September 16, stayed at Windsor Castle, and is scheduled to depart on September 18, after meetings including one with UK Prime Minister Keir Starmer. The visit includes royal ceremonies, a state banquet, and diplomatic talks. This is Trump's second state visit to the UK, with the first being in 2019.