Weeknummer
20
11 – May 17, 1981
Er zijn 53 weken in het jaar 1981
| # | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| 18 | 27 | 28 | 29 | 30 | 1 | 2 | 3 |
| 19 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| 20 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| 21 | 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| 22 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
- Standaard:
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- Amerikaanse
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Weekcalculator
Weeknummers in het jaar 1981
- #MondaySunday
- 1 December 29, 1980 January 4
- 2 January 5 January 11
- 3 January 12 January 18
- 4 January 19 January 25
- 5 January 26 February 1
- 6 February 2 February 8
- 7 February 9 February 15
- 8 February 16 February 22
- 9 February 23 March 1
- 10 March 2 March 8
- 11 March 9 March 15
- 12 March 16 March 22
- 13 March 23 March 29
- 14 March 30 April 5
- 15 April 6 April 12
- 16 April 13 April 19
- 17 April 20 April 26
- 18 April 27 May 3
- 19 May 4 May 10
- 20 May 11 May 17
- 21 May 18 May 24
- 22 May 25 May 31
- 23 June 1 June 7
- 24 June 8 June 14
- 25 June 15 June 21
- 26 June 22 June 28
- 27 June 29 July 5
- 28 July 6 July 12
- 29 July 13 July 19
- 30 July 20 July 26
- 31 July 27 August 2
- 32 August 3 August 9
- 33 August 10 August 16
- 34 August 17 August 23
- 35 August 24 August 30
- 36 August 31 September 6
- 37 September 7 September 13
- 38 September 14 September 20
- 39 September 21 September 27
- 40 September 28 October 4
- 41 October 5 October 11
- 42 October 12 October 18
- 43 October 19 October 25
- 44 October 26 November 1
- 45 November 2 November 8
- 46 November 9 November 15
- 47 November 16 November 22
- 48 November 23 November 29
- 49 November 30 December 6
- 50 December 7 December 13
- 51 December 14 December 20
- 52 December 21 December 27
- 53 December 28 January 3, 1982