Get the business day for a given date based on the specific calendar.
DATE_FIELD = 20201225 1324 20210702 20210701 20210703 20210704 20210705 20211224 20210515
makebusinessdayfederal DATE_FIELD
makebusinessdaybond DATE_FILED
makebusinessdayfederal 20210402
20210402 // Good friday is not a Federal holiday.
makebusinessdaybond 20210402
20210405 // Good friday is a Bond Market holiday.
makebusinessdaybond 20211225
20211228
1 makebusinessdaybond 20211225
20211228
0 makebusinessdaybond 20211225
20211224