This simple task is combining Sunrise/Sunset and TimeZoneDB APIs.
Because of the Sunrise/Sunset API returns the time in UTC only, the TimeZoneDB API takes its share in the time adjustments calculations. The time calculations are done with AutoTools.
The task is returning shown below info about the day and the timezone for your geographic position - in AutoNotification or/and AutoTools dialog. The icon informs about the gmtoffset