CalendarBest
en

2018 Calendar with Week Numbers

2018 has 52 ISO weeks. Week 1 runs from Monday, January 1, 2018 to Sunday, January 7, 2018. Each row below starts on Monday and shows its week number; the table lists every week with its dates.

January 2018
Wk
M
T
W
T
F
S
S
1
1
2
3
4
5
6
7
2
8
9
10
11
12
13
14
3
15
16
17
18
19
20
21
4
22
23
24
25
26
27
28
5
29
30
31
February 2018
Wk
M
T
W
T
F
S
S
5
1
2
3
4
6
5
6
7
8
9
10
11
7
12
13
14
15
16
17
18
8
19
20
21
22
23
24
25
9
26
27
28
March 2018
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 2018
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 2018
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 2018
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 2018
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 2018
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 2018
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 2018
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 2018
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 2018
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 2018

WeekStarts (Mon)Ends (Sun)Federal holidays
1Jan 1, 2018Jan 7, 2018New Year's Day
2Jan 8, 2018Jan 14, 2018—
3Jan 15, 2018Jan 21, 2018MLK Day
4Jan 22, 2018Jan 28, 2018—
5Jan 29, 2018Feb 4, 2018—
6Feb 5, 2018Feb 11, 2018—
7Feb 12, 2018Feb 18, 2018—
8Feb 19, 2018Feb 25, 2018Presidents' Day
9Feb 26, 2018Mar 4, 2018—
10Mar 5, 2018Mar 11, 2018—
11Mar 12, 2018Mar 18, 2018—
12Mar 19, 2018Mar 25, 2018—
13Mar 26, 2018Apr 1, 2018—
14Apr 2, 2018Apr 8, 2018—
15Apr 9, 2018Apr 15, 2018—
16Apr 16, 2018Apr 22, 2018—
17Apr 23, 2018Apr 29, 2018—
18Apr 30, 2018May 6, 2018—
19May 7, 2018May 13, 2018—
20May 14, 2018May 20, 2018—
21May 21, 2018May 27, 2018—
22May 28, 2018Jun 3, 2018Memorial Day
23Jun 4, 2018Jun 10, 2018—
24Jun 11, 2018Jun 17, 2018—
25Jun 18, 2018Jun 24, 2018—
26Jun 25, 2018Jul 1, 2018—
27Jul 2, 2018Jul 8, 2018Independence Day
28Jul 9, 2018Jul 15, 2018—
29Jul 16, 2018Jul 22, 2018—
30Jul 23, 2018Jul 29, 2018—
31Jul 30, 2018Aug 5, 2018—
32Aug 6, 2018Aug 12, 2018—
33Aug 13, 2018Aug 19, 2018—
34Aug 20, 2018Aug 26, 2018—
35Aug 27, 2018Sep 2, 2018—
36Sep 3, 2018Sep 9, 2018Labor Day
37Sep 10, 2018Sep 16, 2018—
38Sep 17, 2018Sep 23, 2018—
39Sep 24, 2018Sep 30, 2018—
40Oct 1, 2018Oct 7, 2018—
41Oct 8, 2018Oct 14, 2018Columbus Day
42Oct 15, 2018Oct 21, 2018—
43Oct 22, 2018Oct 28, 2018—
44Oct 29, 2018Nov 4, 2018—
45Nov 5, 2018Nov 11, 2018Veterans Day
46Nov 12, 2018Nov 18, 2018—
47Nov 19, 2018Nov 25, 2018Thanksgiving
48Nov 26, 2018Dec 2, 2018—
49Dec 3, 2018Dec 9, 2018—
50Dec 10, 2018Dec 16, 2018—
51Dec 17, 2018Dec 23, 2018—
52Dec 24, 2018Dec 30, 2018Christmas Day

2018 Week Numbers FAQ

How many weeks are in 2018?

2018 has 52 ISO weeks. Week 1 runs from Monday, January 1, 2018 to Sunday, January 7, 2018, and week 52 ends on Sunday, December 30, 2018.

What week number is January 1, 2018?

January 1, 2018 is a Monday in week 1 of 2018.

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).

Make a 2018 Calendar PDF

Open 2018 in the builder, add your own events, and export a PDF.

Customize the 2018 Calendar