If you store zoned time in UTC then the zones or UTC change then the time can be formatted correctly in the future. My point in mentioning the solstice is that

If you store zoned time in UTC then the zones or UTC change then the time can be formatted correctly in the future. My point in mentioning the solstice is that while some events are at “2pm”, others are “when something happens”. Sure, UTC is not suitable for conducting astronomy. It is suitable for working with human friendly times, since it is the foundation of timezones.