https://www.home-assistant.io/template-functions/utcnow/
Current UTC date and time: utcnow - Home Assistant
Returns the current date and time in UTC.
date and timecurrentutcassistant
https://learn.microsoft.com/en-us/dotnet/api/system.datetime.utcnow?view=netframework-4.8.1&redirectedfrom=MSDN
DateTime.UtcNow Property (System) | Microsoft Learn
Gets a DateTime object that is set to the current date and time on this computer, expressed as the Coordinated Universal Time (UTC).
property systemdatetimemicrosoftlearn