Descriptions of the properties found in the Birth Data tab while viewing a personal chart:
Date and Time (Local): The local birth date and time
Country: The country of birth
City: The city/village of birth
Current Time Zone: The current time zone of the location of birth (not the time zone at the time of birth)
Time Zone Database: The database—TZ Database or ACS Atlas—used to calculate the chart
UTC* Offset: The difference in hours and minutes between Coordinated Universal Time (UTC) and local time, calculated based on data provided by the Time Zone Database
Date and Time (UTC): The local birth date and time converted to UTC
Design Date and Time (UTC): The UTC date and time of the moment of Design calculation (88° of the Sun before birth)
*Coordinated Universal Time or UTC is the primary time standard by which the world regulates clocks and time. Local birth time must be converted to UTC to calculate a Human Design Chart.