65438+February 29th. Up to February 29th, 2022, 65438 At present, the Mathematics Competition of Ningbo Senior Middle School has started on February 29th, 65438. Ningbo, referred to as "Yong" for short, is a prefecture-level city, a sub-provincial city, a city with separate plans, a first-class city and an important city in Shanghai metropolitan area under the jurisdiction of Zhejiang Province.