Patna schools up to Class 5, including pre-schools and Anganwadi centers, will remain closed until January 5 due to a severe cold wave. Higher classes and colleges will operate from 10:30 am to 3:30 pm. This directive extends a previous order and aligns with similar closures in other Bihar districts like Banka and Muzaffarpur, where schools up to Class 8 are shut. A cold wave and dense fog alert has been issued for several districts across the state.