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2012 Calendar with Week Numbers

2012 has 52 ISO weeks. Week 1 runs from Monday, January 2, 2012 to Sunday, January 8, 2012, so January 1 still belongs to week 52 of 2011. Each row below starts on Monday and shows its week number; the table lists every week with its dates.

January 2012
Wk
M
T
W
T
F
S
S
52
1
1
2
3
4
5
6
7
8
2
9
10
11
12
13
14
15
3
16
17
18
19
20
21
22
4
23
24
25
26
27
28
29
5
30
31
February 2012
Wk
M
T
W
T
F
S
S
5
1
2
3
4
5
6
6
7
8
9
10
11
12
7
13
14
15
16
17
18
19
8
20
21
22
23
24
25
26
9
27
28
29
March 2012
Wk
M
T
W
T
F
S
S
9
1
2
3
4
10
5
6
7
8
9
10
11
11
12
13
14
15
16
17
18
12
19
20
21
22
23
24
25
13
26
27
28
29
30
31
April 2012
Wk
M
T
W
T
F
S
S
13
1
14
2
3
4
5
6
7
8
15
9
10
11
12
13
14
15
16
16
17
18
19
20
21
22
17
23
24
25
26
27
28
29
18
30
May 2012
Wk
M
T
W
T
F
S
S
18
1
2
3
4
5
6
19
7
8
9
10
11
12
13
20
14
15
16
17
18
19
20
21
21
22
23
24
25
26
27
22
28
29
30
31
June 2012
Wk
M
T
W
T
F
S
S
22
1
2
3
23
4
5
6
7
8
9
10
24
11
12
13
14
15
16
17
25
18
19
20
21
22
23
24
26
25
26
27
28
29
30
July 2012
Wk
M
T
W
T
F
S
S
26
1
27
2
3
4
5
6
7
8
28
9
10
11
12
13
14
15
29
16
17
18
19
20
21
22
30
23
24
25
26
27
28
29
31
30
31
August 2012
Wk
M
T
W
T
F
S
S
31
1
2
3
4
5
32
6
7
8
9
10
11
12
33
13
14
15
16
17
18
19
34
20
21
22
23
24
25
26
35
27
28
29
30
31
September 2012
Wk
M
T
W
T
F
S
S
35
1
2
36
3
4
5
6
7
8
9
37
10
11
12
13
14
15
16
38
17
18
19
20
21
22
23
39
24
25
26
27
28
29
30
October 2012
Wk
M
T
W
T
F
S
S
40
1
2
3
4
5
6
7
41
8
9
10
11
12
13
14
42
15
16
17
18
19
20
21
43
22
23
24
25
26
27
28
44
29
30
31
November 2012
Wk
M
T
W
T
F
S
S
44
1
2
3
4
45
5
6
7
8
9
10
11
46
12
13
14
15
16
17
18
47
19
20
21
22
23
24
25
48
26
27
28
29
30
December 2012
Wk
M
T
W
T
F
S
S
48
1
2
49
3
4
5
6
7
8
9
50
10
11
12
13
14
15
16
51
17
18
19
20
21
22
23
52
24
25
26
27
28
29
30
1
31

All 52 Weeks of 2012

WeekStarts (Mon)Ends (Sun)Federal holidays
1Jan 2, 2012Jan 8, 2012—
2Jan 9, 2012Jan 15, 2012—
3Jan 16, 2012Jan 22, 2012MLK Day
4Jan 23, 2012Jan 29, 2012—
5Jan 30, 2012Feb 5, 2012—
6Feb 6, 2012Feb 12, 2012—
7Feb 13, 2012Feb 19, 2012—
8Feb 20, 2012Feb 26, 2012Presidents' Day
9Feb 27, 2012Mar 4, 2012—
10Mar 5, 2012Mar 11, 2012—
11Mar 12, 2012Mar 18, 2012—
12Mar 19, 2012Mar 25, 2012—
13Mar 26, 2012Apr 1, 2012—
14Apr 2, 2012Apr 8, 2012—
15Apr 9, 2012Apr 15, 2012—
16Apr 16, 2012Apr 22, 2012—
17Apr 23, 2012Apr 29, 2012—
18Apr 30, 2012May 6, 2012—
19May 7, 2012May 13, 2012—
20May 14, 2012May 20, 2012—
21May 21, 2012May 27, 2012—
22May 28, 2012Jun 3, 2012Memorial Day
23Jun 4, 2012Jun 10, 2012—
24Jun 11, 2012Jun 17, 2012—
25Jun 18, 2012Jun 24, 2012—
26Jun 25, 2012Jul 1, 2012—
27Jul 2, 2012Jul 8, 2012Independence Day
28Jul 9, 2012Jul 15, 2012—
29Jul 16, 2012Jul 22, 2012—
30Jul 23, 2012Jul 29, 2012—
31Jul 30, 2012Aug 5, 2012—
32Aug 6, 2012Aug 12, 2012—
33Aug 13, 2012Aug 19, 2012—
34Aug 20, 2012Aug 26, 2012—
35Aug 27, 2012Sep 2, 2012—
36Sep 3, 2012Sep 9, 2012Labor Day
37Sep 10, 2012Sep 16, 2012—
38Sep 17, 2012Sep 23, 2012—
39Sep 24, 2012Sep 30, 2012—
40Oct 1, 2012Oct 7, 2012—
41Oct 8, 2012Oct 14, 2012Columbus Day
42Oct 15, 2012Oct 21, 2012—
43Oct 22, 2012Oct 28, 2012—
44Oct 29, 2012Nov 4, 2012—
45Nov 5, 2012Nov 11, 2012Veterans Day
46Nov 12, 2012Nov 18, 2012—
47Nov 19, 2012Nov 25, 2012Thanksgiving
48Nov 26, 2012Dec 2, 2012—
49Dec 3, 2012Dec 9, 2012—
50Dec 10, 2012Dec 16, 2012—
51Dec 17, 2012Dec 23, 2012—
52Dec 24, 2012Dec 30, 2012Christmas Day

2012 Week Numbers FAQ

How many weeks are in 2012?

2012 has 52 ISO weeks. Week 1 runs from Monday, January 2, 2012 to Sunday, January 8, 2012, and week 52 ends on Sunday, December 30, 2012.

What week number is January 1, 2012?

January 1, 2012 is a Sunday, so it belongs to week 52 of 2011. Week 1 of 2012 starts on Monday, January 2, 2012.

How are ISO week numbers counted?

ISO 8601 weeks start on Monday. Week 1 is the week that contains the first Thursday of the year, which is the same as the week that contains January 4. A year has 52 weeks, or 53 when it starts on a Thursday (or on a Wednesday in a leap year).

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