The cartouche contains the essential information, including the date with its pillars and the time zone chosen for the calculation. Each grid can be calculated for a different time zone, depending on what you want to do.
For example, if you need to select a date for a person living in New York, it makes sense to work with the New York Times data, not from your home or from Beijing.
The stem behind which the daily and daily Jia is located is also indicated