| 1 Jan 2021 | Tahun Baru |  | |  | | | | | | | | | | | | | |
| 14 Jan 2021 | Hari Keputeraan Yang di-Pertuan Besar Negeri Sembilan | | | | | | | | | | | | | | | | |
| 28 Jan 2021 | Hari Thaipusam | | | | | | | | | | | | | | | | |
| 1 Feb 2021 | Hari Wilayah Persekutuan | | | | | | | | | | | | | | | | |
| 12 Feb 2021 | Tahun Baru Cina | | | | | | | | | | | | | | | | |
| 13 Feb 2021 | Tahun Baru Cina (Hari Kedua) | | | | | | | | | | | | | | | | |
| 13 Feb 2021 | Tahun Baru Cina (Hari Kedua) | | | | | | | | | | | | | | | | |
| 4 Mar 2021 | Hari Ulang Tahun Pertabalan Sultan Terengganu | | | | | | | | | | | | | | | | |
| 11 Mar 2021 | Israk dan Mikraj | | | | | | | | | | | | | | | | |
| 23 Mar 2021 | Hari Keputeraan Sultan Johor | | | | | | | | | | | | | | | | |
| 2 Apr 2021 | Good Friday | | | | | | | | | | | | | | | | |
| 13 Apr 2021 | Awal Ramadan* | | | | | | | | | | | | | | | | |
| 15 Apr 2021 | Hari Perisytiharan Melaka Sebagai Bandaraya Bersejarah | | | | | | | | | | | | | | | | |
| 26 Apr 2021 | Hari Keputeraan Sultan Terengganu | | | | | | | | | | | | | | | | |
| 29 Apr 2021 | Hari Nuzul Al-Quran | | | | | | | | | | | | | | | | |
| 1 May 2021 | Hari Pekerja | | | | | | | | | | | | | | | | |
| 13 May 2021 | Hari Raya Puasa* | | | | | | | | | | | | | | | | |
| 14 May 2021 | Hari Raya Puasa (Hari Kedua)* | | | | | | | | | | | | | | | | |
| 22 May 2021 | Hari Hol | | | | | | | | | | | | | | | | |
| 26 May 2021 | Hari Wesak | | | | | | | | | | | | | | | | |
| 30 May 2021 | Pesta Kaamatan (Pesta Menuai) | | | | | | | | | | | | | | | | |
| 1 Jun 2021 | Perayaan Hari Gawai Dayak | | | | | | | | | | | | | | | | |
| 2 Jun 2021 | Perayaan Hari Gawai Dayak | | | | | | | | | | | | | | | | |
| 7 Jun 2021 | Hari Keputeraan Seri Paduka Baginda Yang di-Pertuan Agong | | | | | | | | | | | | | | | | |
| 20 Jun 2021 | Hari Keputeraan Sultan Kedah | | | | | | | | | | | | | | | | |
| 7 Jul 2021 | Hari Ulang Tahun Perisytiharan Tapak Warisan Dunia | | | | | | | | | | | | | | | | |
| 10 Jul 2021 | Hari Jadi Yang di-Pertua Negeri Pulau Pinang | | | | | | | | | | | | | | | | |
| 17 Jul 2021 | Hari Ulang Tahun Keputeraan Raja Perlis | | | | | | | | | | | | | | | | |
| 19 Jul 2021 | Hari Arafah | | | | | | | | | | | | | | | | |
| 20 Jul 2021 | Hari Raya Qurban* | | | | | | | | | | | | | | | | |
| 21 Jul 2021 | Hari Raya Qurban (Hari Kedua)* | | | | | | | | | | | | | | | | |
| 21 Jul 2021 | Hari Raya Qurban (Hari Kedua)* | | | | | | | | | | | | | | | | |
| 22 Jul 2021 | Hari Kemerdekaan Sarawak | | | | | | | | | | | | | | | | |
| 30 Jul 2021 | Hari Keputeraan Sultan Pahang | | | | | | | | | | | | | | | | |
| 10 Aug 2021 | Awal Muharam (Maal Hijrah) | | | | | | | | | | | | | | | | |
| 24 Aug 2021 | Hari Jadi Yang di-Pertua Negeri Melaka | | | | | | | | | | | | | | | | |
| 31 Aug 2021 | Hari Kebangsaan | | | | | | | | | | | | | | | | |
| 13 Sep 2021 | Hari Hol Almarhum Sultan Iskandar | | | | | | | | | | | | | | | | |
| 16 Sep 2021 | Hari Malaysia | | | | | | | | | | | | | | | | |
| 2 Oct 2021 | Hari Jadi Yang di-Pertua Negeri Sabah | | | | | | | | | | | | | | | | |
| 9 Oct 2021 | Hari Jadi Yang di-Pertua Negeri Sarawak | | | | | | | | | | | | | | | | |
| 19 Oct 2021 | Hari Keputeraan Nabi Muhammad S.A.W. (Maulidur Rasul) | | | | | | | | | | | | | | | | |
| 4 Nov 2021 | Hari Deepavali | | | | | | | | | | | | | | | | |
| 5 Nov 2021 | Hari Keputeraan Sultan Perak | | | | | | | | | | | | | | | | |
| 11 Nov 2021 | Hari Keputeraan Sultan Kelantan | | | | | | | | | | | | | | | | |
| 12 Nov 2021 | Hari Keputeraan Sultan Kelantan | | | | | | | | | | | | | | | | |
| 11 Dec 2021 | Hari Keputeraan Sultan Selangor | | | | | | | | | | | | | | | | |
| 24 Dec 2021 | Christmas Eve | | | | | | | | | | | | | | | | |
| 25 Dec 2021 | Hari Krismas | | | | | | | | | | | | | | | | |