Monthly and annual memorial days and special ceremonies and events at the Great Sacred Hall are broadcasted on YouTube. They are conducted in Japanese, but the translations of Dharma talks are available here.
10 May 2021 | Memorial day of Cofounder Myoko
4 May 2021 | Memorial day of Founder Niwano
1 May 2021 | First-day devotions of the month (Uposatha Day)