Figure out the least date from the list

This will help you:- 

a!localVariables(
/* Your list of dates */
local!dateList: {
date(2026, 1, 1),
date(2026, 2, 2),
date(2025, 12, 31),
date(2025, 11, 24)
},

/* Find minimum (earliest) date */
local!minDate: min(local!dateList),

/* Find maximum (latest) date */
local!maxDate: max(local!dateList),

/* Display results */
{
minDateFormatted: text(local!minDate, "YYYY/MM/DD"),
maxDateFormatted: text(local!maxDate, "YYYY/MM/DD")
}
)