Baha'i Calendar: Intercalary Days
(Feb. 26-March 1): Ayyam-i-ha, or “Days of Ha,” are devoted to spiritual preparation for the Fast, celebrating, hospitality, charity and gift giving. They are celebrated the four days (five in leap year) before the last month of the Baha’i year.
For more information about the Baha'i calendar, see the Baha'i calendar.
http://www.bahai.us/welcome/principles-and-practices/bahai-calendar/
