Week Numbers 2011

List of week numbers of 2011. There are 52 weeks in 2011. Week numbers are listed in the tables in various date formats.

Week Numbers with Readable Date Format

Week start date and end date are in format of Month Name day, YYYY.

Week Number	Week Start Date	Week End Date
01	January 3, 2011	January 9, 2011
02	January 10, 2011	January 16, 2011
03	January 17, 2011	January 23, 2011
04	January 24, 2011	January 30, 2011
05	January 31, 2011	February 6, 2011
06	February 7, 2011	February 13, 2011
07	February 14, 2011	February 20, 2011
08	February 21, 2011	February 27, 2011
09	February 28, 2011	March 6, 2011
10	March 7, 2011	March 13, 2011
11	March 14, 2011	March 20, 2011
12	March 21, 2011	March 27, 2011
13	March 28, 2011	April 3, 2011
14	April 4, 2011	April 10, 2011
15	April 11, 2011	April 17, 2011
16	April 18, 2011	April 24, 2011
17	April 25, 2011	May 1, 2011
18	May 2, 2011	May 8, 2011
19	May 9, 2011	May 15, 2011
20	May 16, 2011	May 22, 2011
21	May 23, 2011	May 29, 2011
22	May 30, 2011	June 5, 2011
23	June 6, 2011	June 12, 2011
24	June 13, 2011	June 19, 2011
25	June 20, 2011	June 26, 2011
26	June 27, 2011	July 3, 2011
27	July 4, 2011	July 10, 2011
28	July 11, 2011	July 17, 2011
29	July 18, 2011	July 24, 2011
30	July 25, 2011	July 31, 2011
31	August 1, 2011	August 7, 2011
32	August 8, 2011	August 14, 2011
33	August 15, 2011	August 21, 2011
34	August 22, 2011	August 28, 2011
35	August 29, 2011	September 4, 2011
36	September 5, 2011	September 11, 2011
37	September 12, 2011	September 18, 2011
38	September 19, 2011	September 25, 2011
39	September 26, 2011	October 2, 2011
40	October 3, 2011	October 9, 2011
41	October 10, 2011	October 16, 2011
42	October 17, 2011	October 23, 2011
43	October 24, 2011	October 30, 2011
44	October 31, 2011	November 6, 2011
45	November 7, 2011	November 13, 2011
46	November 14, 2011	November 20, 2011
47	November 21, 2011	November 27, 2011
48	November 28, 2011	December 4, 2011
49	December 5, 2011	December 11, 2011
50	December 12, 2011	December 18, 2011
51	December 19, 2011	December 25, 2011
52	December 26, 2011	January 1, 2012

Week Numbers with ISO 8601 Date Format

Week start date and end date are in format of YYYY-MM-DD.

Week Number	Week Start Date	Week End Date
01	2011-01-03	2011-01-09
02	2011-01-10	2011-01-16
03	2011-01-17	2011-01-23
04	2011-01-24	2011-01-30
05	2011-01-31	2011-02-06
06	2011-02-07	2011-02-13
07	2011-02-14	2011-02-20
08	2011-02-21	2011-02-27
09	2011-02-28	2011-03-06
10	2011-03-07	2011-03-13
11	2011-03-14	2011-03-20
12	2011-03-21	2011-03-27
13	2011-03-28	2011-04-03
14	2011-04-04	2011-04-10
15	2011-04-11	2011-04-17
16	2011-04-18	2011-04-24
17	2011-04-25	2011-05-01
18	2011-05-02	2011-05-08
19	2011-05-09	2011-05-15
20	2011-05-16	2011-05-22
21	2011-05-23	2011-05-29
22	2011-05-30	2011-06-05
23	2011-06-06	2011-06-12
24	2011-06-13	2011-06-19
25	2011-06-20	2011-06-26
26	2011-06-27	2011-07-03
27	2011-07-04	2011-07-10
28	2011-07-11	2011-07-17
29	2011-07-18	2011-07-24
30	2011-07-25	2011-07-31
31	2011-08-01	2011-08-07
32	2011-08-08	2011-08-14
33	2011-08-15	2011-08-21
34	2011-08-22	2011-08-28
35	2011-08-29	2011-09-04
36	2011-09-05	2011-09-11
37	2011-09-12	2011-09-18
38	2011-09-19	2011-09-25
39	2011-09-26	2011-10-02
40	2011-10-03	2011-10-09
41	2011-10-10	2011-10-16
42	2011-10-17	2011-10-23
43	2011-10-24	2011-10-30
44	2011-10-31	2011-11-06
45	2011-11-07	2011-11-13
46	2011-11-14	2011-11-20
47	2011-11-21	2011-11-27
48	2011-11-28	2011-12-04
49	2011-12-05	2011-12-11
50	2011-12-12	2011-12-18
51	2011-12-19	2011-12-25
52	2011-12-26	2012-01-01

Week Numbers with Week Dates Format

Week start date and end date are in format of YYYY-W-DD.

Week Number	Week Start Date	Week End Date
01	2011-W01-03	2011-W01-09
02	2011-W02-10	2011-W02-16
03	2011-W03-17	2011-W03-23
04	2011-W04-24	2011-W04-30
05	2011-W05-31	2011-W05-06
06	2011-W06-07	2011-W06-13
07	2011-W07-14	2011-W07-20
08	2011-W08-21	2011-W08-27
09	2011-W09-28	2011-W09-06
10	2011-W10-07	2011-W10-13
11	2011-W11-14	2011-W11-20
12	2011-W12-21	2011-W12-27
13	2011-W13-28	2011-W13-03
14	2011-W14-04	2011-W14-10
15	2011-W15-11	2011-W15-17
16	2011-W16-18	2011-W16-24
17	2011-W17-25	2011-W17-01
18	2011-W18-02	2011-W18-08
19	2011-W19-09	2011-W19-15
20	2011-W20-16	2011-W20-22
21	2011-W21-23	2011-W21-29
22	2011-W22-30	2011-W22-05
23	2011-W23-06	2011-W23-12
24	2011-W24-13	2011-W24-19
25	2011-W25-20	2011-W25-26
26	2011-W26-27	2011-W26-03
27	2011-W27-04	2011-W27-10
28	2011-W28-11	2011-W28-17
29	2011-W29-18	2011-W29-24
30	2011-W30-25	2011-W30-31
31	2011-W31-01	2011-W31-07
32	2011-W32-08	2011-W32-14
33	2011-W33-15	2011-W33-21
34	2011-W34-22	2011-W34-28
35	2011-W35-29	2011-W35-04
36	2011-W36-05	2011-W36-11
37	2011-W37-12	2011-W37-18
38	2011-W38-19	2011-W38-25
39	2011-W39-26	2011-W39-02
40	2011-W40-03	2011-W40-09
41	2011-W41-10	2011-W41-16
42	2011-W42-17	2011-W42-23
43	2011-W43-24	2011-W43-30
44	2011-W44-31	2011-W44-06
45	2011-W45-07	2011-W45-13
46	2011-W46-14	2011-W46-20
47	2011-W47-21	2011-W47-27
48	2011-W48-28	2011-W48-04
49	2011-W49-05	2011-W49-11
50	2011-W50-12	2011-W50-18
51	2011-W51-19	2011-W51-25
52	2011-W52-26	2011-W52-01