Check date time frame
Arguments
- first_date
 A
<Date>object specifying the first valid date. Default is fifty years before thelast_date. This can also be a character in ISO8601 format, i.e., "2024-12-31".- last_date
 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".