All Calendar Weeks (CW) in 1231

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

The year 1231 has 52 calendar weeks. 1231 begins on 01/01/1231 and ends on 31/12/1231. The first calendar week in 1231 begins on Monday, the 30/12/1230 and ends on Sunday, the 05/01/1231. The last calendar week in 1231 begins on Monday, the 29/12/1231 and ends on Sunday, the 04/01/1232.

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 1231 week numbers (.ics)

Week numbers in 1231

The following spreadsheet contains all calendar weeks in 1231. 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) 1231
Calendar week	Year	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
CW 1	1231	30/12	31/12	01/01	02/01	03/01	04/01	05/01
CW 2	1231	06/01	07/01	08/01	09/01	10/01	11/01	12/01
CW 3	1231	13/01	14/01	15/01	16/01	17/01	18/01	19/01
CW 4	1231	20/01	21/01	22/01	23/01	24/01	25/01	26/01
CW 5	1231	27/01	28/01	29/01	30/01	31/01	01/02	02/02
CW 6	1231	03/02	04/02	05/02	06/02	07/02	08/02	09/02
CW 7	1231	10/02	11/02	12/02	13/02	14/02	15/02	16/02
CW 8	1231	17/02	18/02	19/02	20/02	21/02	22/02	23/02
CW 9	1231	24/02	25/02	26/02	27/02	28/02	01/03	02/03
CW 10	1231	03/03	04/03	05/03	06/03	07/03	08/03	09/03
CW 11	1231	10/03	11/03	12/03	13/03	14/03	15/03	16/03
CW 12	1231	17/03	18/03	19/03	20/03	21/03	22/03	23/03
CW 13	1231	24/03	25/03	26/03	27/03	28/03	29/03	30/03
CW 14	1231	31/03	01/04	02/04	03/04	04/04	05/04	06/04
CW 15	1231	07/04	08/04	09/04	10/04	11/04	12/04	13/04
CW 16	1231	14/04	15/04	16/04	17/04	18/04	19/04	20/04
CW 17	1231	21/04	22/04	23/04	24/04	25/04	26/04	27/04
CW 18	1231	28/04	29/04	30/04	01/05	02/05	03/05	04/05
CW 19	1231	05/05	06/05	07/05	08/05	09/05	10/05	11/05
CW 20	1231	12/05	13/05	14/05	15/05	16/05	17/05	18/05
CW 21	1231	19/05	20/05	21/05	22/05	23/05	24/05	25/05
CW 22	1231	26/05	27/05	28/05	29/05	30/05	31/05	01/06
CW 23	1231	02/06	03/06	04/06	05/06	06/06	07/06	08/06
CW 24	1231	09/06	10/06	11/06	12/06	13/06	14/06	15/06
CW 25	1231	16/06	17/06	18/06	19/06	20/06	21/06	22/06
CW 26	1231	23/06	24/06	25/06	26/06	27/06	28/06	29/06
CW 27	1231	30/06	01/07	02/07	03/07	04/07	05/07	06/07
CW 28	1231	07/07	08/07	09/07	10/07	11/07	12/07	13/07
CW 29	1231	14/07	15/07	16/07	17/07	18/07	19/07	20/07
CW 30	1231	21/07	22/07	23/07	24/07	25/07	26/07	27/07
CW 31	1231	28/07	29/07	30/07	31/07	01/08	02/08	03/08
CW 32	1231	04/08	05/08	06/08	07/08	08/08	09/08	10/08
CW 33	1231	11/08	12/08	13/08	14/08	15/08	16/08	17/08
CW 34	1231	18/08	19/08	20/08	21/08	22/08	23/08	24/08
CW 35	1231	25/08	26/08	27/08	28/08	29/08	30/08	31/08
CW 36	1231	01/09	02/09	03/09	04/09	05/09	06/09	07/09
CW 37	1231	08/09	09/09	10/09	11/09	12/09	13/09	14/09
CW 38	1231	15/09	16/09	17/09	18/09	19/09	20/09	21/09
CW 39	1231	22/09	23/09	24/09	25/09	26/09	27/09	28/09
CW 40	1231	29/09	30/09	01/10	02/10	03/10	04/10	05/10
CW 41	1231	06/10	07/10	08/10	09/10	10/10	11/10	12/10
CW 42	1231	13/10	14/10	15/10	16/10	17/10	18/10	19/10
CW 43	1231	20/10	21/10	22/10	23/10	24/10	25/10	26/10
CW 44	1231	27/10	28/10	29/10	30/10	31/10	01/11	02/11
CW 45	1231	03/11	04/11	05/11	06/11	07/11	08/11	09/11
CW 46	1231	10/11	11/11	12/11	13/11	14/11	15/11	16/11
CW 47	1231	17/11	18/11	19/11	20/11	21/11	22/11	23/11
CW 48	1231	24/11	25/11	26/11	27/11	28/11	29/11	30/11
CW 49	1231	01/12	02/12	03/12	04/12	05/12	06/12	07/12
CW 50	1231	08/12	09/12	10/12	11/12	12/12	13/12	14/12
CW 51	1231	15/12	16/12	17/12	18/12	19/12	20/12	21/12
CW 52	1231	22/12	23/12	24/12	25/12	26/12	27/12	28/12
CW 1	1232	29/12	30/12	31/12	01/01	02/01	03/01	04/01