2020 Week Calendar

All 53 ISO 8601 weeks with Monday-to-Sunday dates

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2020 ISO Week Calendar — All 53 Weeks

The year 2020 has 53 weeks according to the ISO 8601 standard. Below is a complete list of every week with its exact Monday (start) and Sunday (end) dates. Each row links to the full week details page.

Week Monday (Start) Sunday (End)
Week 1 December 30, 2019 January 5, 2020
Week 2 January 6, 2020 January 12, 2020
Week 3 January 13, 2020 January 19, 2020
Week 4 January 20, 2020 January 26, 2020
Week 5 January 27, 2020 February 2, 2020
Week 6 February 3, 2020 February 9, 2020
Week 7 February 10, 2020 February 16, 2020
Week 8 February 17, 2020 February 23, 2020
Week 9 February 24, 2020 March 1, 2020
Week 10 March 2, 2020 March 8, 2020
Week 11 March 9, 2020 March 15, 2020
Week 12 March 16, 2020 March 22, 2020
Week 13 March 23, 2020 March 29, 2020
Week 14 March 30, 2020 April 5, 2020
Week 15 April 6, 2020 April 12, 2020
Week 16 April 13, 2020 April 19, 2020
Week 17 April 20, 2020 April 26, 2020
Week 18 April 27, 2020 May 3, 2020
Week 19 May 4, 2020 May 10, 2020
Week 20 May 11, 2020 May 17, 2020
Week 21 May 18, 2020 May 24, 2020
Week 22 May 25, 2020 May 31, 2020
Week 23 June 1, 2020 June 7, 2020
Week 24 June 8, 2020 June 14, 2020
Week 25 June 15, 2020 June 21, 2020
Week 26 June 22, 2020 June 28, 2020
Week 27 June 29, 2020 July 5, 2020
Week 28 July 6, 2020 July 12, 2020
Week 29 July 13, 2020 July 19, 2020
Week 30 July 20, 2020 July 26, 2020
Week 31 July 27, 2020 August 2, 2020
Week 32 August 3, 2020 August 9, 2020
Week 33 August 10, 2020 August 16, 2020
Week 34 August 17, 2020 August 23, 2020
Week 35 August 24, 2020 August 30, 2020
Week 36 August 31, 2020 September 6, 2020
Week 37 September 7, 2020 September 13, 2020
Week 38 September 14, 2020 September 20, 2020
Week 39 September 21, 2020 September 27, 2020
Week 40 September 28, 2020 October 4, 2020
Week 41 October 5, 2020 October 11, 2020
Week 42 October 12, 2020 October 18, 2020
Week 43 October 19, 2020 October 25, 2020
Week 44 October 26, 2020 November 1, 2020
Week 45 November 2, 2020 November 8, 2020
Week 46 November 9, 2020 November 15, 2020
Week 47 November 16, 2020 November 22, 2020
Week 48 November 23, 2020 November 29, 2020
Week 49 November 30, 2020 December 6, 2020
Week 50 December 7, 2020 December 13, 2020
Week 51 December 14, 2020 December 20, 2020
Week 52 December 21, 2020 December 27, 2020
Week 53 December 28, 2020 January 3, 2021
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❓ Related questions about 2020

What is the week number for January 1, 2020?

January 1, 2020 is in Week 1 of 2020. The ISO week number for Jan 1 depends on which day of the week Jan 1 falls on.

What is the week number for December 31, 2020?

December 31, 2020 is in Week 53 of 2020.

Is 2020 a leap year?

2020 is a leap year with 366 days.

❓ Frequently asked questions about 2020

How many weeks are in 2020?

2020 has 53 weeks according to ISO 8601. This is a 53-week year.

What is Week 1 of 2020?

When does Week 1 of 2020 start?

Week 1 of 2020 starts on December 30, 2019 and ends on January 5, 2020.

How is the week number determined for 2020?

ISO 8601 week numbers are determined by the year that contains Thursday. Week 1 of 2020 is the week containing January 4, 2020. Each subsequent week is numbered sequentially.