Week Number
Week
1981
Week Numbers 1981
| Week Number | From | To | Weeks left |
|---|---|---|---|
| Week 1 | 29 December 1980 29 Dec | 4 January 1981 4 Jan | |
| Week 2 | 5 January 1981 5 Jan | 11 January 1981 11 Jan | |
| Week 3 | 12 January 1981 12 Jan | 18 January 1981 18 Jan | |
| Week 4 | 19 January 1981 19 Jan | 25 January 1981 25 Jan | |
| Week 5 | 26 January 1981 26 Jan | 1 February 1981 1 Feb | |
| Week 6 | 2 February 1981 2 Feb | 8 February 1981 8 Feb | |
| Week 7 | 9 February 1981 9 Feb | 15 February 1981 15 Feb | |
| Week 8 | 16 February 1981 16 Feb | 22 February 1981 22 Feb | |
| Week 9 | 23 February 1981 23 Feb | 1 March 1981 1 Mar | |
| Week 10 | 2 March 1981 2 Mar | 8 March 1981 8 Mar | |
| Week 11 | 9 March 1981 9 Mar | 15 March 1981 15 Mar | |
| Week 12 | 16 March 1981 16 Mar | 22 March 1981 22 Mar | |
| Week 13 | 23 March 1981 23 Mar | 29 March 1981 29 Mar | |
| Week 14 | 30 March 1981 30 Mar | 5 April 1981 5 Apr | |
| Week 15 | 6 April 1981 6 Apr | 12 April 1981 12 Apr | |
| Week 16 | 13 April 1981 13 Apr | 19 April 1981 19 Apr | |
| Week 17 | 20 April 1981 20 Apr | 26 April 1981 26 Apr | |
| Week 18 | 27 April 1981 27 Apr | 3 May 1981 3 May | |
| Week 19 | 4 May 1981 4 May | 10 May 1981 10 May | |
| Week 20 | 11 May 1981 11 May | 17 May 1981 17 May | |
| Week 21 | 18 May 1981 18 May | 24 May 1981 24 May | |
| Week 22 | 25 May 1981 25 May | 31 May 1981 31 May | |
| Week 23 | 1 June 1981 1 Jun | 7 June 1981 7 Jun | |
| Week 24 | 8 June 1981 8 Jun | 14 June 1981 14 Jun | |
| Week 25 | 15 June 1981 15 Jun | 21 June 1981 21 Jun | |
| Week 26 | 22 June 1981 22 Jun | 28 June 1981 28 Jun | |
| Week 27 | 29 June 1981 29 Jun | 5 July 1981 5 Jul | |
| Week 28 | 6 July 1981 6 Jul | 12 July 1981 12 Jul | |
| Week 29 | 13 July 1981 13 Jul | 19 July 1981 19 Jul | |
| Week 30 | 20 July 1981 20 Jul | 26 July 1981 26 Jul | |
| Week 31 | 27 July 1981 27 Jul | 2 August 1981 2 Aug | |
| Week 32 | 3 August 1981 3 Aug | 9 August 1981 9 Aug | |
| Week 33 | 10 August 1981 10 Aug | 16 August 1981 16 Aug | |
| Week 34 | 17 August 1981 17 Aug | 23 August 1981 23 Aug | |
| Week 35 | 24 August 1981 24 Aug | 30 August 1981 30 Aug | |
| Week 36 | 31 August 1981 31 Aug | 6 September 1981 6 Sep | |
| Week 37 | 7 September 1981 7 Sep | 13 September 1981 13 Sep | |
| Week 38 | 14 September 1981 14 Sep | 20 September 1981 20 Sep | |
| Week 39 | 21 September 1981 21 Sep | 27 September 1981 27 Sep | |
| Week 40 | 28 September 1981 28 Sep | 4 October 1981 4 Oct | |
| Week 41 | 5 October 1981 5 Oct | 11 October 1981 11 Oct | |
| Week 42 | 12 October 1981 12 Oct | 18 October 1981 18 Oct | |
| Week 43 | 19 October 1981 19 Oct | 25 October 1981 25 Oct | |
| Week 44 | 26 October 1981 26 Oct | 1 November 1981 1 Nov | |
| Week 45 | 2 November 1981 2 Nov | 8 November 1981 8 Nov | |
| Week 46 | 9 November 1981 9 Nov | 15 November 1981 15 Nov | |
| Week 47 | 16 November 1981 16 Nov | 22 November 1981 22 Nov | |
| Week 48 | 23 November 1981 23 Nov | 29 November 1981 29 Nov | |
| Week 49 | 30 November 1981 30 Nov | 6 December 1981 6 Dec | |
| Week 50 | 7 December 1981 7 Dec | 13 December 1981 13 Dec | |
| Week 51 | 14 December 1981 14 Dec | 20 December 1981 20 Dec | |
| Week 52 | 21 December 1981 21 Dec | 27 December 1981 27 Dec | |
| Week 53 | 28 December 1981 28 Dec | 3 January 1982 3 Jan |