Domestic ntp time synchronization server

ntp.sjtu.edu.cn 202.120.2.101 (Shanghai Jiaotong University Network Center NTP Server Address)

s1a.time.edu.cn Beijing University of Posts and Telecommunications

s1b.time.edu.cn Tsinghua University

s1c.time.edu.cn Peking University

s1d.time.edu.cn Southeast University

s1e.time.edu.cn Tsinghua University

s2a.time.edu.cn Tsinghua University

s2b.time.edu.cn Tsinghua University

s2c.time.edu.cn Beijing University of Posts and Telecommunications

s2d.time.edu.cn Southwest Network Center

s2e.time.edu.cn Northwest Territories Web Center

s2f.time.edu.cn Northeast Network Center

s2g.time.edu.cn Southeast China Network Center

s2h.time.edu.cn Sichuan University Network Management Center

s2j.time.edu.cn Network Center of Dalian University of Technology

s2k.time.edu.cn CERNET Guilin Master Node

s2m.time.edu.cn Peking University