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NetTime

NetTime is a time synchronization client for Windows that uses SNTP and NTP protocols to keep system time accurate. It can run as a service or regular application and supports multiple Windows versions from 95 through Windows 11 and Server editions. Originally created by Graham Mainwaring and later maintained by Mark Griffiths, it is a small, reliable utility with a simple interface.
Latest: 3.20
Last checked: Apr 1, 2026 3:37am
Rank: 6059/15140
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Overview

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License: Shareware / Free (varies by source)Winget: Available

Version & Lifecycle

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Current: 3.20 Avg cadence: Every 5023 days

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  1. Anbarasan
  2. nico_k
  3. Bob
  4. Vigneshwaran

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NetTime

Notes

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Originally developed by Graham Mainwaring, project later maintained by Mark Griffiths. Supports Windows 95 through Windows 11 and Server editions (32 and 64 bit). Free for personal and commercial use. Uses UDP port 123 for NTP communication.