# Time Services Cloudflare's suite of time services: NTP, NTS, and Roughtime > Links below point directly to Markdown versions of each page. Any page can also be retrieved as Markdown by sending an `Accept: text/markdown` header to the page's URL without the `index.md` suffix (for example, `curl -H "Accept: text/markdown" https://cloudflaredoc.ubitools.com/time-services/`). > > For other Cloudflare products, see the [Cloudflare documentation directory](https://cloudflaredoc.ubitools.com/llms.txt). ## Overview - [Time Services](https://cloudflaredoc.ubitools.com/time-services/index.md) ## Network Time Protocol - [Network Time Protocol](https://cloudflaredoc.ubitools.com/time-services/ntp/index.md): 使用 Cloudflare 的 NTP 服务同步时钟。 - [使用指南](https://cloudflaredoc.ubitools.com/time-services/ntp/usage/index.md): drand 随机数使用指南。 ## Network Time Security - [Network Time Security](https://cloudflaredoc.ubitools.com/time-services/nts/index.md): 使用 NTS 协议进行安全的时间同步。 ## Roughtime - [Roughtime](https://cloudflaredoc.ubitools.com/time-services/roughtime/index.md): 使用 Roughtime 协议进行经过身份验证的时间同步。 - [服务器弃用说明](https://cloudflaredoc.ubitools.com/time-services/roughtime/deprecation/index.md): 已弃用的 Roughtime 服务器端点和公钥。 - [使用 Roughtime](https://cloudflaredoc.ubitools.com/time-services/roughtime/recipes/index.md): 在 Go、C++、Rust 和 Java 中使用 Roughtime 客户端。 - [获取 Roughtime](https://cloudflaredoc.ubitools.com/time-services/roughtime/usage/index.md): 连接到 Cloudflare 的 Roughtime 服务器。 ## 使用条款 - [使用条款](https://cloudflaredoc.ubitools.com/time-services/tos/index.md): Cloudflare Time Services 使用条款。