可用NTP服务器
pool.ntp.org
https://www.ntppool.org/zh/use.html
NTP
微软
time.windows.com
阿里云
https://help.aliyun.com/document_detail/92704.html
腾讯云
https://cloud.tencent.com/document/product/213/30392
推荐
cn.pool.ntp.org
cn.ntp.org.cn
ntp.aliyun.com
time.windows.com
time.asia.apple.com