1 month to 40 days. According to the query of Guangming. com. Com, researchers applying for Zhejiang Natural Science Foundation must first submit the project application, and submit the project declaration and other materials according to the relevant provisions of the National Natural Science Foundation. After the materials are audited by the authoritative department, it takes 1 month to 40 days to promote the audit process and announce the results one after another. In addition, researchers can apply for an extension at most once, and the extension time generally does not exceed 10 working days.