A collection of helpful DateTimeOffset extension methods

A custom attribute for System.Text.Json that allows you to specify custom date formats for DateTime, DateTimeOffset, and their nullable counterparts during JSON serialization and deserialization.

C# time

Simple C# extension methods to calculate the difference in months between two dates

FluentAssertions for DateTime, DateTimeOffset and TimeSpan.

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

Comparison of 'DateTimeOffset' and 'DateTime' in .Net and C#

DateTime Best Practices In .NET C#

Provides a testable abstraction and alternative to DateTime.Now / DateTime.UtcNow

Datetime, DateTimeOffset, TimeSpan starter code samples

Unix Time Stamp to .NET DateTime converter for Json.NET

High resolution clock