All Calendar Weeks (CW) in 366

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

The year 366 has 52 calendar weeks. 366 begins on 01/01/366 and ends on 31/12/366. The first calendar week in 366 begins on Monday, the 03/01/0366 and ends on Sunday, the 09/01/0366. The last calendar week in 366 begins on Monday, the 26/12/0366 and ends on Sunday, the 01/01/0367.

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 366 week numbers (.ics)

Week numbers in 366

The following spreadsheet contains all calendar weeks in 366. 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) 366
Calendar week	Year	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
CW 52	365	27/12	28/12	29/12	30/12	31/12	01/01	02/01
CW 1	366	03/01	04/01	05/01	06/01	07/01	08/01	09/01
CW 2	366	10/01	11/01	12/01	13/01	14/01	15/01	16/01
CW 3	366	17/01	18/01	19/01	20/01	21/01	22/01	23/01
CW 4	366	24/01	25/01	26/01	27/01	28/01	29/01	30/01
CW 5	366	31/01	01/02	02/02	03/02	04/02	05/02	06/02
CW 6	366	07/02	08/02	09/02	10/02	11/02	12/02	13/02
CW 7	366	14/02	15/02	16/02	17/02	18/02	19/02	20/02
CW 8	366	21/02	22/02	23/02	24/02	25/02	26/02	27/02
CW 9	366	28/02	01/03	02/03	03/03	04/03	05/03	06/03
CW 10	366	07/03	08/03	09/03	10/03	11/03	12/03	13/03
CW 11	366	14/03	15/03	16/03	17/03	18/03	19/03	20/03
CW 12	366	21/03	22/03	23/03	24/03	25/03	26/03	27/03
CW 13	366	28/03	29/03	30/03	31/03	01/04	02/04	03/04
CW 14	366	04/04	05/04	06/04	07/04	08/04	09/04	10/04
CW 15	366	11/04	12/04	13/04	14/04	15/04	16/04	17/04
CW 16	366	18/04	19/04	20/04	21/04	22/04	23/04	24/04
CW 17	366	25/04	26/04	27/04	28/04	29/04	30/04	01/05
CW 18	366	02/05	03/05	04/05	05/05	06/05	07/05	08/05
CW 19	366	09/05	10/05	11/05	12/05	13/05	14/05	15/05
CW 20	366	16/05	17/05	18/05	19/05	20/05	21/05	22/05
CW 21	366	23/05	24/05	25/05	26/05	27/05	28/05	29/05
CW 22	366	30/05	31/05	01/06	02/06	03/06	04/06	05/06
CW 23	366	06/06	07/06	08/06	09/06	10/06	11/06	12/06
CW 24	366	13/06	14/06	15/06	16/06	17/06	18/06	19/06
CW 25	366	20/06	21/06	22/06	23/06	24/06	25/06	26/06
CW 26	366	27/06	28/06	29/06	30/06	01/07	02/07	03/07
CW 27	366	04/07	05/07	06/07	07/07	08/07	09/07	10/07
CW 28	366	11/07	12/07	13/07	14/07	15/07	16/07	17/07
CW 29	366	18/07	19/07	20/07	21/07	22/07	23/07	24/07
CW 30	366	25/07	26/07	27/07	28/07	29/07	30/07	31/07
CW 31	366	01/08	02/08	03/08	04/08	05/08	06/08	07/08
CW 32	366	08/08	09/08	10/08	11/08	12/08	13/08	14/08
CW 33	366	15/08	16/08	17/08	18/08	19/08	20/08	21/08
CW 34	366	22/08	23/08	24/08	25/08	26/08	27/08	28/08
CW 35	366	29/08	30/08	31/08	01/09	02/09	03/09	04/09
CW 36	366	05/09	06/09	07/09	08/09	09/09	10/09	11/09
CW 37	366	12/09	13/09	14/09	15/09	16/09	17/09	18/09
CW 38	366	19/09	20/09	21/09	22/09	23/09	24/09	25/09
CW 39	366	26/09	27/09	28/09	29/09	30/09	01/10	02/10
CW 40	366	03/10	04/10	05/10	06/10	07/10	08/10	09/10
CW 41	366	10/10	11/10	12/10	13/10	14/10	15/10	16/10
CW 42	366	17/10	18/10	19/10	20/10	21/10	22/10	23/10
CW 43	366	24/10	25/10	26/10	27/10	28/10	29/10	30/10
CW 44	366	31/10	01/11	02/11	03/11	04/11	05/11	06/11
CW 45	366	07/11	08/11	09/11	10/11	11/11	12/11	13/11
CW 46	366	14/11	15/11	16/11	17/11	18/11	19/11	20/11
CW 47	366	21/11	22/11	23/11	24/11	25/11	26/11	27/11
CW 48	366	28/11	29/11	30/11	01/12	02/12	03/12	04/12
CW 49	366	05/12	06/12	07/12	08/12	09/12	10/12	11/12
CW 50	366	12/12	13/12	14/12	15/12	16/12	17/12	18/12
CW 51	366	19/12	20/12	21/12	22/12	23/12	24/12	25/12
CW 52	366	26/12	27/12	28/12	29/12	30/12	31/12	01/01