Week numbers

2028 has 52 ISO weeks, Monday to Sunday

Week From (Monday) To (Sunday)
1 Jan 3 Jan 9
2 Jan 10 Jan 16
3 Jan 17 Jan 23
4 Jan 24 Jan 30
5 Jan 31 Feb 6
6 Feb 7 Feb 13
7 Feb 14 Feb 20
8 Feb 21 Feb 27
9 Feb 28 Mar 5
10 Mar 6 Mar 12
11 Mar 13 Mar 19
12 Mar 20 Mar 26
13 Mar 27 Apr 2
14 Apr 3 Apr 9
15 Apr 10 Apr 16
16 Apr 17 Apr 23
17 Apr 24 Apr 30
18 May 1 May 7
19 May 8 May 14
20 May 15 May 21
21 May 22 May 28
22 May 29 Jun 4
23 Jun 5 Jun 11
24 Jun 12 Jun 18
25 Jun 19 Jun 25
26 Jun 26 Jul 2
27 Jul 3 Jul 9
28 Jul 10 Jul 16
29 Jul 17 Jul 23
30 Jul 24 Jul 30
31 Jul 31 Aug 6
32 Aug 7 Aug 13
33 Aug 14 Aug 20
34 Aug 21 Aug 27
35 Aug 28 Sep 3
36 Sep 4 Sep 10
37 Sep 11 Sep 17
38 Sep 18 Sep 24
39 Sep 25 Oct 1
40 Oct 2 Oct 8
41 Oct 9 Oct 15
42 Oct 16 Oct 22
43 Oct 23 Oct 29
44 Oct 30 Nov 5
45 Nov 6 Nov 12
46 Nov 13 Nov 19
47 Nov 20 Nov 26
48 Nov 27 Dec 3
49 Dec 4 Dec 10
50 Dec 11 Dec 17
51 Dec 18 Dec 24
52 Dec 25 Dec 31

How week numbers work

These follow the ISO 8601 standard used across Europe and in most business software: weeks run Monday to Sunday, and week 1 is the week containing the year's first Thursday. That's why a year has 52 or 53 weeks, and why the last days of December can belong to week 1 of the next year.

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