--- title: so...I put a Time Server in my HomeLab | daily.dev description: A home lab enthusiast is setting up a time server using a Raspberry Pi CM4 and a GPS module to achieve nanosecond-level time accuracy using Precision Time... canonical: https://daily.dev/posts/so-i-put-a-time-server-in-my-homelab-kiio7u2fg twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: so...I put a Time Server in my HomeLab | daily.dev og:description: A home lab enthusiast is setting up a time server using a Raspberry Pi CM4 and a GPS module to achieve nanosecond-level time accuracy using Precision Time... og:url: https://daily.dev/posts/so-i-put-a-time-server-in-my-homelab-kiio7u2fg og:image: https://api.daily.dev/og/posts/kIiO7u2fG.png og:image:alt: so...I put a Time Server in my HomeLab og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # so...I put a Time Server in my HomeLab **[NetworkChuck](https://daily.dev/sources/networkchuck)** · 28 min read · 0 upvotes · 0 comments ## Summary A home lab enthusiast is setting up a time server using a Raspberry Pi CM4 and a GPS module to achieve nanosecond-level time accuracy using Precision Time Protocol (PTP). The post explains the history of timekeeping, the limitations of traditional NTP synchronization, and the technical details of hardware timestamping. The setup aims to provide highly accurate time synchronization for the home network, akin to what is required in high-frequency trading and other critical applications. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#homelab](https://daily.dev/tags/homelab), [#networking](https://daily.dev/tags/networking), [#raspberry-pi](https://daily.dev/tags/raspberry-pi) [View this post on daily.dev](https://daily.dev/posts/so-i-put-a-time-server-in-my-homelab-kiio7u2fg) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"so...I put a Time Server in my HomeLab","url":"https://daily.dev/posts/so-i-put-a-time-server-in-my-homelab-kiio7u2fg","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/so-i-put-a-time-server-in-my-homelab-kiio7u2fg"},"datePublished":"2024-10-19T18:45:02.113Z","dateModified":"2025-09-06T02:44:34.308Z","description":"A home lab enthusiast is setting up a time server using a Raspberry Pi CM4 and a GPS module to achieve nanosecond-level time accuracy using Precision Time...","image":"https://i.ytimg.com/vi/6YHqVbvfMYI/sddefault.jpg","thumbnailUrl":"https://i.ytimg.com/vi/6YHqVbvfMYI/sddefault.jpg","isAccessibleForFree":true,"articleSection":"NetworkChuck","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"NetworkChuck","logo":"https://media.daily.dev/image/upload/s--tgEVJvQC--/f_auto/v1729363472/logos/networkchuck","url":"https://daily.dev/sources/networkchuck"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/so-i-put-a-time-server-in-my-homelab-kiio7u2fg","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"homelab,networking,raspberry-pi","timeRequired":"PT28M","video":{"@type":"VideoObject","name":"so...I put a Time Server in my HomeLab","description":"A home lab enthusiast is setting up a time server using a Raspberry Pi CM4 and a GPS module to achieve nanosecond-level time accuracy using Precision Time...","thumbnailUrl":"https://i.ytimg.com/vi/6YHqVbvfMYI/sddefault.jpg","uploadDate":"2024-10-19T18:45:02.113Z","duration":"PT28M","url":"https://api.daily.dev/r/kIiO7u2fG","embedUrl":"https://www.youtube.com/embed/6YHqVbvfMYI"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"NetworkChuck","item":"https://daily.dev/sources/networkchuck"},{"@type":"ListItem","position":3,"name":"so...I put a Time Server in my HomeLab"}]} ```