The announcement time of the visiting scholar project of Tianyuan Mathematics Fund Center is 65438+February every year, because it is the declaration time of the visiting scholar project of Tianyuan Mathematics Fund Center of the National Natural Science Foundation of China in the next year. Every year, 65438+February is the time for the evaluation and announcement of the visiting scholar project of Tianyuan Mathematics Fund Center of the National Natural Science Foundation of China in the next year.