C# Datetime

Open-source C# projects categorized as Datetime
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Top 14 C# Datetime Projects

Datetime

  1. NodaTime

    A better date and time API for .NET

    Project mention: NodaTime VS TimePeriodLibrary - a user suggested alternative | libhunt.com/r/nodatime | 2024-09-20

  2. InfluxDB

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    InfluxDB logo

  3. Recognizers-Text

    Microsoft.Recognizers.Text provides recognition and resolution of numbers, units, date/time, etc. in multiple languages (ZH, EN, FR, ES, PT, DE, IT, TR, HI, NL. Partial support for JA, KO, AR, SV). Packages available at: https://www.nuget.org/profiles/Recognizers.Text, https://www.npmjs.com/~recognizers.text

  4. DateTimeExtensions

    This project is a merge of several common DateTime operations on the form of extensions to System.DateTime, including natural date difference text (precise and human rounded), holidays and working days calculations on several culture locales.

  5. SilkierQuartz

    SilkierQuartz can host jobs using HostService and Provide a web management tools for Quartz !

  6. TimePeriodLibrary

    Extensive time period calculations and individual calendar periods.

    Project mention: NodaTime VS TimePeriodLibrary - a user suggested alternative | libhunt.com/r/nodatime | 2024-09-20

  7. Exceptionless.DateTimeExtensions

    DateTimeRange, Business Day and various DateTime, DateTimeOffset, TimeSpan extension methods

  8. Occurify

    A powerful and intuitive .NET library for defining, filtering, transforming, and scheduling instant and period timelines.

    Project mention: Occurify: Fluent Time Modeling for .NET Developers | dev.to | 2025-04-05

    🔗 You can find the full source code for Occurify on GitHub.

  9. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

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  10. ابزار Persian Tools

    Persian Tools for .NET Framework and .NET Core: Shamsi date convertor, All Iranian calendar holidays. Iranian City and provinces, Iranian national ID verification. (by naeemaei)

  11. MoreDateTime

    An extension library to simplify dealing with .NET's DateTime, DateOnly, TimeOnly and TimeSpan objects, also includes support for the ISO 8601 EDTF profile.

  12. SimpleDateTimeProvider

    A simple abstraction over C#'s DateTime.Now, DateTime.Today and DateTime.UtcNow so you can control these values in your tests. No longer do you have to attempt shenanigans in your tests to handle when you need to use those values in your code.

  13. IntervalUtility

    .Net C # utility for working with intervals, such as time periods. The utility allows you to find intersections of periods, exclude periods, etc.

  14. working-with-datetime

    Datetime, DateTimeOffset, TimeSpan starter code samples

  15. dateonly-primer

    Learn basic to advance topics on DateOnly and TimeOnly

    Project mention: Bogus DateOnly/TimeOnly | dev.to | 2024-09-08

    Learn DateOnly & TimeOnly

  16. sql-server-datetime2

    Learn about using datetime2 precision

  17. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

C# Datetime discussion

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C# Datetime related posts

  • NodaTime VS TimePeriodLibrary - a user suggested alternative

    2 projects | 20 Sep 2024

  • EDTF reference library

    1 project | /r/ISO8601 | 24 May 2023

  • Show HN: MoreDateTime – facilitate .NET date and time operations

    1 project | news.ycombinator.com | 22 May 2023

  • moment.net: call for localization contributions

    2 projects | /r/dotnet | 24 Feb 2023

  • SQL-Server: Exploration of datetime2(7) precision (C#)

    1 project | dev.to | 2 Feb 2023

  • Microsoft.Recognizers.Text for JavaScript

    1 project | /r/hypeurls | 3 Jan 2023

  • An effective library for recognising numbers/units/datetime across languages

    1 project | news.ycombinator.com | 14 Jun 2022
  • A note from our sponsor - InfluxDB
    www.influxdata.com | 15 Jun 2025
    InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now. Learn more →

Index

What are some of the best open-source Datetime projects in C#? This list will help you:

# Project Stars
1 NodaTime 2,893
2 Recognizers-Text 1,718
3 DateTimeExtensions 882
4 SilkierQuartz 379
5 TimePeriodLibrary 360
6 Exceptionless.DateTimeExtensions 246
7 Occurify 59
8 ابزار Persian Tools 37
9 MoreDateTime 13
10 SimpleDateTimeProvider 10
11 IntervalUtility 9
12 working-with-datetime 5
13 dateonly-primer 2
14 sql-server-datetime2 2

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InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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