The Malaysia calendar 2009 includes the 13 days of national holidays.
Also besides the national holidays, there are also a few days of state holidays that are declared by the various states and federal territories. Here are the details of the 2009 holidays:

Malaysia Calendar 2009 National Holidays

MARCH
9 March (Monday) : Prophet Muhammad's Birthday

MAY
1 May (Friday) : Labour Day
9 May (Saturday): Wesak Day

JUNE
6 June (Saturday): Birthday Celebration of Seri Paduka Baginda Yang di Pertuan Agong

AUGUST
31 Aug (Monday): National Day

SEPTEMBER
20 Sept (Sunday) & 21 Sept (Monday): Hari Raya Puasa *

OCTOBER
17 October (Saturday): Deepavali

NOVEMBER
27 Nov (Friday) : Hari Raya Haji/Qurban*

DECEMBER
18 Dec (Friday): Awal Muharram (Maal Hijrah)*
25 Dec (Friday): Christmas

NOTE:
* Subject to changes
Whenever a public holiday falls on a lunar Sunday, the next day shall be a public holiday