• GitLens Version: 12.0.0
• Git Version: 2.35.1.windows.2

• VSCode Version: 1.64.2 f80445acd5a3dadef24aa209168452a3d97cc326 x64
• OS Version: Windows 11 version 21H1 OS build 22000.527

Steps to Reproduce:

1. Set your system date locale to something different from your vscode language. On Windows you can do this by going to the Control Panel - Clock and Region - Region - Format and pick a country from the ones in the dropdown
2. Enable a setting that shows when something happened (using the $ago variable). I'll be using "Current line blame" for this example
3. Go to a line of code in your git project and observe the language the $ago variable is using: