美国的大学研究生以上学历申请的截止日期根据学校和专业有不同的截止日期。一个学校学校的不同专业对于博士申请提交的截止日期大部分集中在每年的12月到第二年2月这个时间段。而发放录取通知的时间通常是在3月到4月，一般来说申请截止越早的专业发录取的时间也会更早。这些信息都可以在不同学校的官网的查询到，接下来我们来看一下几所学校不同专业博士2020年秋季开学申请和录取的具体时间：

杜克大学 Duck University

Art, Art History and Visual Studies 12/15/2019

Biochemistry 12/15/2019

Biology 12/01/2019

Biomedical Engineering 12/15/2019

Biostatistics 12/02/2019

Business Administration 12/31/2019

Cell and Molecular Biology 12/01/2019

Chemistry 12/01/2019

Civil and Environmental Engineering 12/31/2019

Classical Studies 01/06/2020

Cognitive Neuroscience 12/01/2019

Computational Biology and Bioinformatics 12/01/2019

Computational Media, Arts, and Cultures Not accepting applications for 2020 enrollment

Computer Science 12/15/2019

Cultural Anthropology 12/08/2019

Developmental and Stem Cell Biology 12/01/2019

Earth and Ocean Sciences 01/08/2020

Ecology 12/01/2019

Economics 01/05/2020

Electrical and Computer Engineering 12/01/2019*

English 12/10/2019

Environment 12/15/2019

Environmental Policy 12/15/2019

Evolutionary Anthropology 12/01/2019

Genetics and Genomics 12/01/2019

German Studies - Carolina-Duke Program (must apply through UNC Graduate School) 12/18/2019

History 12/15/2019

Immunology 12/01/2019

Integrated Toxicology and Environmental Health 12/08/2019

Literature 12/08/2019

Marine Science and Conservation 12/08/2019

Mathematics 12/19/2019

Mechanical Engineering and Materials Science 12/31/2019

Medical Physics 12/08/2019

Molecular Cancer Biology 12/09/2019

Molecular Genetics and Microbiology 12/01/2019

Music 01/12/2020

Neurobiology 12/01/2019

Nursing 12/09/2019

Pathology 12/15/2019

Pharmacology and Cancer Biology 12/06/2019

Philosophy 12/31/2019

Physics 12/10/2019**

Political Science Not accepting applications for 2020 enrollment

Psychology and Neuroscience (Clinical track) 12/01/2019

Psychology and Neuroscience (All non-clinical tracks) 12/01/2019

Public Policy Studies 12/01/2019

Religious Studies 12/20/2019

Romance Studies 12/15/2019***

Sociology 12/18/2019

Statistical Science 12/01/2019

其中有个别专业像Electrical and Computer Engineering、Physics、Romance Studies在过了以上的截止日期以后直到来年的2-3月份的最终截止日期以前还是会根据招生和资金的情况继续接受并审核申请的。而Political Science专业的PHD在2020年是没有位置的，也就没有必要去申请了。

普林斯顿大学 Princeton University

根据专业不同有5个截止日期，分别对应的学科如下：

2019年11月25日

*Neuroscience

*Psychology

2019年12月1日

Art and Archaeology

Chemical and Biological Engineering

Chemistr

East Asian Studies

Ecology and Evolutionary Biology

*Economics

History

History of Science

Mechanical and Aerospace Engineering

Molecular Biology

Population Studies

Quantitative and Computational Biology

Woodrow Wilson School of Public and International Affairs

2019年12月15日

Anthropology

Applied and Computational Mathematics

*Astrophysical Sciences

Classics

Computer Science

Electrical Engineering

English

Mathematics

Philosophy

Physic Politics

Program in Plasma Physics

Sociology

Spanish and Portuguese

2019年12月31日

Atmospheric and Oceanic Sciences

Civil and Environmental Engineering

Comparative Literature

Finance

French and Italian

Geosciences

German

Music Composition

Musicology

Near Eastern Studies

Operations Research and Financial Engineering

Religion

Slavic Languages and Literature

2020年1月2日

*Architecture

根据以上的信息，在此提醒有准备申请美国大学PHD的同学，在申请前一定要到所要申请的大学的官网查询所申专业具体的截止日期，提前开始准备申请的资料。通常来说我们建议在申请截止日期前10个月到一年的时间开始申请的准备，准备的工作包括根据需要参加至少2次以上语言和标化考试（每次考试相隔3个月左右）；与目标申请专业导师套磁交流；撰写申请文书和整理学术相关的材料；向母校导师教授约面谈索要推荐信等工作。同时注意不同学校申请截止的日期，切记在申请截止之前提交所有的文件和资料。