To get rid of these edit the following file and change the year to the current year
File: /etc/acct/holidays
Example Output below with section marked as bold what you need to alter
* @(#)holidays January 1, 2006
*
* Prime/Nonprime Table for UNIX Accounting System
*
* Curr Prime Non-Prime
* Year Start Start
*
*
*
* only the first column (month/day) is significiant.
*
* month/day Company
* Holiday
*