The IsHoliday command returns true if the given date is a holiday in the given calendar.

The parameter date must be a date specified in any of the formats recognized by the ParseDate command.

The parameter calendar must be either a name representing a supported calendar (e.g. Toronto, NewYork) or a calendar data structure created using the Calendar constructor.

$\mathrm{with}\left(\mathrm{Finance}\right)\:$

$\mathrm{IsHoliday}\left(''January\; 3,\; 2006''\,\mathrm{Toronto}\right)$

$\mathrm{false}$

$\mathrm{IsBusinessDay}\left(''January\; 3,\; 2006''\,\mathrm{Toronto}\right)$

$\mathrm{true}$

The Finance[IsHoliday] command was introduced in Maple 15.

For more information on Maple 15 changes, see Updates in Maple 15.