Set Default Culture in Optimizely CMS 12

In Optimizely CMS 11 you can set the default culture and UI culture like this in web.config.

<globalization culture="no" uiCulture="no" />

For Optimizely CMS 12 you could put this in Startup.cs or Program.cs like this.

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    CultureInfo.DefaultThreadCurrentCulture = new CultureInfo("no");
    CultureInfo.DefaultThreadCurrentUICulture = new CultureInfo("no"); ;
}

This will affect culture-specific operations like date, time and decimal number formatting.

That's it!