I don't have the specific date or chapter for when the golden age arc ends. You could try asking manga enthusiasts on social media or in manga-related groups. They might have the answer you're looking for.
The first story arc of Naruto concludes approximately at episode 21. It's marked by the resolution of certain key events and the advancement of the overall plot. However, the exact determination can be subjective based on individual interpretations.
The timing of the Wano Arc's end in the manga is uncertain. It could be within the next few chapters or it might stretch on a bit longer. The story has many twists and turns that could influence the conclusion.
"The Sun is Like Me" had yet to be officially announced as finished. In the first chapter of the novel, the author wrote that the story took place in the year 2023 and told the story of a young man named Li Ruoxuan who went from the countryside to the city to pursue his dream. At present, the author is still in the midst of a series. The readers can follow the author's updates on all major platforms.