Check date time frame
date_check_timeframe(first_date, last_date)
A <list>
with the first and last dates
A <Date>
object specifying the first valid date.
Default is fifty years before the last_date
.
This can also be a character in ISO8601 format, i.e., "2024-12-31".
A <Date>
object specifying the last valid date.
Default is the current date. This can also be a character in
ISO8601 format, i.e., "2024-12-31".