Use TimeProvider instead of DateTime/DateTimeOffset static properties

Proprietary

Replace DateTime.UtcNow, DateTime.Now, DateTimeOffset.UtcNow, and DateTimeOffset.Now with TimeProvider.System.GetUtcNow()/GetLocalNow() equivalents. TimeProvider enables testability and consistent time sources. Available since .NET 8.

OpenRewrite.Recipes.CSharp.Migration.Dotnet.Net8.UseTimeProvider

mod run . --recipe=OpenRewrite.Recipes.CSharp.Migration.Dotnet.Net8.UseTimeProvider

Install it once, then run it on every repository under the current directory. New to the Moderne CLI? Set it up.