Calendar Weeks 2021 | How many weeks in 2021

All Calendar Weeks in 2021

Below is the complete list of all 52 calendar weeks for 2021. Click a week number to see its dates.

Week	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 01	4 Jan	5 Jan	6 Jan	7 Jan	8 Jan	9 Jan	10 Jan
Week 02	11 Jan	12 Jan	13 Jan	14 Jan	15 Jan	16 Jan	17 Jan
Week 03	18 Jan	19 Jan	20 Jan	21 Jan	22 Jan	23 Jan	24 Jan
Week 04	25 Jan	26 Jan	27 Jan	28 Jan	29 Jan	30 Jan	31 Jan
Week 05	1 Feb	2 Feb	3 Feb	4 Feb	5 Feb	6 Feb	7 Feb
Week 06	8 Feb	9 Feb	10 Feb	11 Feb	12 Feb	13 Feb	14 Feb
Week 07	15 Feb	16 Feb	17 Feb	18 Feb	19 Feb	20 Feb	21 Feb
Week 08	22 Feb	23 Feb	24 Feb	25 Feb	26 Feb	27 Feb	28 Feb
Week 09	1 Mar	2 Mar	3 Mar	4 Mar	5 Mar	6 Mar	7 Mar
Week 10	8 Mar	9 Mar	10 Mar	11 Mar	12 Mar	13 Mar	14 Mar
Week 11	15 Mar	16 Mar	17 Mar	18 Mar	19 Mar	20 Mar	21 Mar
Week 12	22 Mar	23 Mar	24 Mar	25 Mar	26 Mar	27 Mar	28 Mar
Week 13	29 Mar	30 Mar	31 Mar	1 Apr	2 Apr	3 Apr	4 Apr
Week 14	5 Apr	6 Apr	7 Apr	8 Apr	9 Apr	10 Apr	11 Apr
Week 15	12 Apr	13 Apr	14 Apr	15 Apr	16 Apr	17 Apr	18 Apr
Week 16	19 Apr	20 Apr	21 Apr	22 Apr	23 Apr	24 Apr	25 Apr
Week 17	26 Apr	27 Apr	28 Apr	29 Apr	30 Apr	1 May	2 May
Week 18	3 May	4 May	5 May	6 May	7 May	8 May	9 May
Week 19	10 May	11 May	12 May	13 May	14 May	15 May	16 May
Week 20	17 May	18 May	19 May	20 May	21 May	22 May	23 May
Week 21	24 May	25 May	26 May	27 May	28 May	29 May	30 May
Week 22	31 May	1 Jun	2 Jun	3 Jun	4 Jun	5 Jun	6 Jun
Week 23	7 Jun	8 Jun	9 Jun	10 Jun	11 Jun	12 Jun	13 Jun
Week 24	14 Jun	15 Jun	16 Jun	17 Jun	18 Jun	19 Jun	20 Jun
Week 25	21 Jun	22 Jun	23 Jun	24 Jun	25 Jun	26 Jun	27 Jun
Week 26	28 Jun	29 Jun	30 Jun	1 Jul	2 Jul	3 Jul	4 Jul
Week 27	5 Jul	6 Jul	7 Jul	8 Jul	9 Jul	10 Jul	11 Jul
Week 28	12 Jul	13 Jul	14 Jul	15 Jul	16 Jul	17 Jul	18 Jul
Week 29	19 Jul	20 Jul	21 Jul	22 Jul	23 Jul	24 Jul	25 Jul
Week 30	26 Jul	27 Jul	28 Jul	29 Jul	30 Jul	31 Jul	1 Aug
Week 31	2 Aug	3 Aug	4 Aug	5 Aug	6 Aug	7 Aug	8 Aug
Week 32	9 Aug	10 Aug	11 Aug	12 Aug	13 Aug	14 Aug	15 Aug
Week 33	16 Aug	17 Aug	18 Aug	19 Aug	20 Aug	21 Aug	22 Aug
Week 34	23 Aug	24 Aug	25 Aug	26 Aug	27 Aug	28 Aug	29 Aug
Week 35	30 Aug	31 Aug	1 Sep	2 Sep	3 Sep	4 Sep	5 Sep
Week 36	6 Sep	7 Sep	8 Sep	9 Sep	10 Sep	11 Sep	12 Sep
Week 37	13 Sep	14 Sep	15 Sep	16 Sep	17 Sep	18 Sep	19 Sep
Week 38	20 Sep	21 Sep	22 Sep	23 Sep	24 Sep	25 Sep	26 Sep
Week 39	27 Sep	28 Sep	29 Sep	30 Sep	1 Oct	2 Oct	3 Oct
Week 40	4 Oct	5 Oct	6 Oct	7 Oct	8 Oct	9 Oct	10 Oct
Week 41	11 Oct	12 Oct	13 Oct	14 Oct	15 Oct	16 Oct	17 Oct
Week 42	18 Oct	19 Oct	20 Oct	21 Oct	22 Oct	23 Oct	24 Oct
Week 43	25 Oct	26 Oct	27 Oct	28 Oct	29 Oct	30 Oct	31 Oct
Week 44	1 Nov	2 Nov	3 Nov	4 Nov	5 Nov	6 Nov	7 Nov
Week 45	8 Nov	9 Nov	10 Nov	11 Nov	12 Nov	13 Nov	14 Nov
Week 46	15 Nov	16 Nov	17 Nov	18 Nov	19 Nov	20 Nov	21 Nov
Week 47	22 Nov	23 Nov	24 Nov	25 Nov	26 Nov	27 Nov	28 Nov
Week 48	29 Nov	30 Nov	1 Dec	2 Dec	3 Dec	4 Dec	5 Dec
Week 49	6 Dec	7 Dec	8 Dec	9 Dec	10 Dec	11 Dec	12 Dec
Week 50	13 Dec	14 Dec	15 Dec	16 Dec	17 Dec	18 Dec	19 Dec
Week 51	20 Dec	21 Dec	22 Dec	23 Dec	24 Dec	25 Dec	26 Dec
Week 52	27 Dec	28 Dec	29 Dec	30 Dec	31 Dec	1 Jan	2 Jan

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How many weeks in year 2021?

There are 52 weeks in year 2021 according to the ISO 8601 standard.