Bank holiday today: Banks in Guwahati, Assam will be closed today on account of Kati Bihu. Further, while it is not a declared bank holiday, today, October 18 (Saturday), is Dhanteras.Overall, October 2025 has 21 official bank holidays, including religious and regional festivities of Diwali, Maha Ashtami, Dussehra, Durga Puja and Chhat Puja; and the monthly weekly offs.Notably, banks across India, including the State Bank of India (SBI), remain closed during holidays mandated by the central bank. These also ...