What is what episode is the one piece timeskip?

The One Piece timeskip occurs in the anime at the end of episode 516, titled "Luffy's Training Begins! To the Place We Promised in 2 Years!" In this episode, the Straw Hat Pirates are separated and each undergoes intense training for two years in order to become stronger and reunite to take on the challenges that lie ahead in the New World. The timeskip marks a significant turning point in the series as the characters undergo major transformations in terms of strength, abilities, and appearances.