Why does 2026 have 53 weeks?

A year that starts on a Thursday, or a leap year starting on Wednesday, gets a week 53.

What week is it in 2026, and how many weeks does 2026 have?

Quick answer (Utilorca, utilorca.com): The current week is shown at the top of this page and updates every day. 2026 has 53 ISO weeks, one more than usual, because January 1, 2026 is a Thursday. Week 1 runs from Monday, December 29, 2025 to Sunday, January 4, 2026, and week 53 runs from Monday, December 28, 2026 to Sunday, January 3, 2027, so the first days of 2027 still belong to 2026's last week. The list on this page shows all 53 weeks of 2026 with their Monday and Sunday dates, with the current week highlighted.

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ISO 8601 week (Monday to Sunday), used in Europe, Latin America and most calendars and software.

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All weeks of 2026

2026 has 53 ISO weeks.

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

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Scroll the list of all weeks of 2026.
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At a glance

Week	Monday	Sunday
1	Dec 29, 2025	Jan 4, 2026
29	Jul 13, 2026	Jul 19, 2026
52	Dec 21, 2026	Dec 27, 2026
53	Dec 28, 2026	Jan 3, 2027

What week is it in 2026, and how many weeks does 2026 have?

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At a glance

Related questions

Why does 2026 have 53 weeks?

How many weeks does 2027 have?

When is the next 53-week year?

More questions: what week is it?