Starts at 15:45 UTC+8. Also available at https://news.cgtn.com/news/2023-09-20/Live-Special-coverage-of-4th-lecture-from-China-Space-Station-1ng8tpBX7hK/index.html
More on the lecture: https://news.cgtn.com/news/2023-09-18/China-s-Shenzhou-16-crew-to-stream-live-science-lecture-from-space-1ncuDWmkhuU/index.html
Edit: Was a pretty fun livestream, reminded me a lot of when scientists would give speeches at my school as a kid, though much cooler, getting to see Taikonauts in space like that. It’s nice to think about how one of those kids watching could be the next person to step foot on the moon.