Banks closed on Id-E-Milad/Milad-un-Nabi or Id-e Milad/Thiruvonam/Milad-i-Sherif 2025: Many public and private banks will remain closed on September 5 and 6 (as per states) on the occasion of Eid-e-Milad-un-Nabi and Thiruvonam (Onam). If you're planning to visit your nearest bank on this occasion to settle any banking work, here's everything you need to know.