All Calendar Weeks (CW) in 421

Hey, are you looking for the current calendar week or all calendar weeks in 2026?

The year 421 has 52 calendar weeks. 421 begins on 01/01/421 and ends on 31/12/421. The first calendar week in 421 begins on Monday, the 04/01/0421 and ends on Sunday, the 10/01/0421. The last calendar week in 421 begins on Monday, the 27/12/0421 and ends on Sunday, the 02/01/0422.

Good to know: You can find pocket calendars with calendar week entry (CW) on Amazon. Our tip: Moleskine Large Weekly Notebook - one of the best pocket calendars with calendar week entry.

Download 421 week numbers (.ics)

Week numbers in 421

The following spreadsheet contains all calendar weeks in 421. Quite handy, isn't it? Works great as a desktop calendar that includes CW. Just print it out for your office.

Show dates as:

Calendar including Calendar Weeks (CW) 421
Calendar week	Year	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
CW 53	420	28/12	29/12	30/12	31/12	01/01	02/01	03/01
CW 1	421	04/01	05/01	06/01	07/01	08/01	09/01	10/01
CW 2	421	11/01	12/01	13/01	14/01	15/01	16/01	17/01
CW 3	421	18/01	19/01	20/01	21/01	22/01	23/01	24/01
CW 4	421	25/01	26/01	27/01	28/01	29/01	30/01	31/01
CW 5	421	01/02	02/02	03/02	04/02	05/02	06/02	07/02
CW 6	421	08/02	09/02	10/02	11/02	12/02	13/02	14/02
CW 7	421	15/02	16/02	17/02	18/02	19/02	20/02	21/02
CW 8	421	22/02	23/02	24/02	25/02	26/02	27/02	28/02
CW 9	421	01/03	02/03	03/03	04/03	05/03	06/03	07/03
CW 10	421	08/03	09/03	10/03	11/03	12/03	13/03	14/03
CW 11	421	15/03	16/03	17/03	18/03	19/03	20/03	21/03
CW 12	421	22/03	23/03	24/03	25/03	26/03	27/03	28/03
CW 13	421	29/03	30/03	31/03	01/04	02/04	03/04	04/04
CW 14	421	05/04	06/04	07/04	08/04	09/04	10/04	11/04
CW 15	421	12/04	13/04	14/04	15/04	16/04	17/04	18/04
CW 16	421	19/04	20/04	21/04	22/04	23/04	24/04	25/04
CW 17	421	26/04	27/04	28/04	29/04	30/04	01/05	02/05
CW 18	421	03/05	04/05	05/05	06/05	07/05	08/05	09/05
CW 19	421	10/05	11/05	12/05	13/05	14/05	15/05	16/05
CW 20	421	17/05	18/05	19/05	20/05	21/05	22/05	23/05
CW 21	421	24/05	25/05	26/05	27/05	28/05	29/05	30/05
CW 22	421	31/05	01/06	02/06	03/06	04/06	05/06	06/06
CW 23	421	07/06	08/06	09/06	10/06	11/06	12/06	13/06
CW 24	421	14/06	15/06	16/06	17/06	18/06	19/06	20/06
CW 25	421	21/06	22/06	23/06	24/06	25/06	26/06	27/06
CW 26	421	28/06	29/06	30/06	01/07	02/07	03/07	04/07
CW 27	421	05/07	06/07	07/07	08/07	09/07	10/07	11/07
CW 28	421	12/07	13/07	14/07	15/07	16/07	17/07	18/07
CW 29	421	19/07	20/07	21/07	22/07	23/07	24/07	25/07
CW 30	421	26/07	27/07	28/07	29/07	30/07	31/07	01/08
CW 31	421	02/08	03/08	04/08	05/08	06/08	07/08	08/08
CW 32	421	09/08	10/08	11/08	12/08	13/08	14/08	15/08
CW 33	421	16/08	17/08	18/08	19/08	20/08	21/08	22/08
CW 34	421	23/08	24/08	25/08	26/08	27/08	28/08	29/08
CW 35	421	30/08	31/08	01/09	02/09	03/09	04/09	05/09
CW 36	421	06/09	07/09	08/09	09/09	10/09	11/09	12/09
CW 37	421	13/09	14/09	15/09	16/09	17/09	18/09	19/09
CW 38	421	20/09	21/09	22/09	23/09	24/09	25/09	26/09
CW 39	421	27/09	28/09	29/09	30/09	01/10	02/10	03/10
CW 40	421	04/10	05/10	06/10	07/10	08/10	09/10	10/10
CW 41	421	11/10	12/10	13/10	14/10	15/10	16/10	17/10
CW 42	421	18/10	19/10	20/10	21/10	22/10	23/10	24/10
CW 43	421	25/10	26/10	27/10	28/10	29/10	30/10	31/10
CW 44	421	01/11	02/11	03/11	04/11	05/11	06/11	07/11
CW 45	421	08/11	09/11	10/11	11/11	12/11	13/11	14/11
CW 46	421	15/11	16/11	17/11	18/11	19/11	20/11	21/11
CW 47	421	22/11	23/11	24/11	25/11	26/11	27/11	28/11
CW 48	421	29/11	30/11	01/12	02/12	03/12	04/12	05/12
CW 49	421	06/12	07/12	08/12	09/12	10/12	11/12	12/12
CW 50	421	13/12	14/12	15/12	16/12	17/12	18/12	19/12
CW 51	421	20/12	21/12	22/12	23/12	24/12	25/12	26/12
CW 52	421	27/12	28/12	29/12	30/12	31/12	01/01	02/01