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Week Numbers 2025

2025 has 52 ISO weeks. Week 1 starts on Monday, December 30, 2024, and the last week ends on Sunday, December 28, 2025.

ISO week numbers 2025

Weeks start on Monday. Week 1 is the week with the first Thursday of January. Find the week number of any date.

WeekMondaySunday
1Dec 30, 2024Jan 5, 2025
2Jan 6, 2025Jan 12, 2025
3Jan 13, 2025Jan 19, 2025
4Jan 20, 2025Jan 26, 2025
5Jan 27, 2025Feb 2, 2025
6Feb 3, 2025Feb 9, 2025
7Feb 10, 2025Feb 16, 2025
8Feb 17, 2025Feb 23, 2025
9Feb 24, 2025Mar 2, 2025
10Mar 3, 2025Mar 9, 2025
11Mar 10, 2025Mar 16, 2025
12Mar 17, 2025Mar 23, 2025
13Mar 24, 2025Mar 30, 2025
14Mar 31, 2025Apr 6, 2025
15Apr 7, 2025Apr 13, 2025
16Apr 14, 2025Apr 20, 2025
17Apr 21, 2025Apr 27, 2025
18Apr 28, 2025May 4, 2025
19May 5, 2025May 11, 2025
20May 12, 2025May 18, 2025
21May 19, 2025May 25, 2025
22May 26, 2025Jun 1, 2025
23Jun 2, 2025Jun 8, 2025
24Jun 9, 2025Jun 15, 2025
25Jun 16, 2025Jun 22, 2025
26Jun 23, 2025Jun 29, 2025
27Jun 30, 2025Jul 6, 2025
28Jul 7, 2025Jul 13, 2025
29Jul 14, 2025Jul 20, 2025
30Jul 21, 2025Jul 27, 2025
31Jul 28, 2025Aug 3, 2025
32Aug 4, 2025Aug 10, 2025
33Aug 11, 2025Aug 17, 2025
34Aug 18, 2025Aug 24, 2025
35Aug 25, 2025Aug 31, 2025
36Sep 1, 2025Sep 7, 2025
37Sep 8, 2025Sep 14, 2025
38Sep 15, 2025Sep 21, 2025
39Sep 22, 2025Sep 28, 2025
40Sep 29, 2025Oct 5, 2025
41Oct 6, 2025Oct 12, 2025
42Oct 13, 2025Oct 19, 2025
43Oct 20, 2025Oct 26, 2025
44Oct 27, 2025Nov 2, 2025
45Nov 3, 2025Nov 9, 2025
46Nov 10, 2025Nov 16, 2025
47Nov 17, 2025Nov 23, 2025
48Nov 24, 2025Nov 30, 2025
49Dec 1, 2025Dec 7, 2025
50Dec 8, 2025Dec 14, 2025
51Dec 15, 2025Dec 21, 2025
52Dec 22, 2025Dec 28, 2025
US weeks starting on Sunday

In the US, week 1 is the week that contains January 1, and weeks start on Sunday.

WeekSundaySaturday
1Dec 29, 2024Jan 4, 2025
2Jan 5, 2025Jan 11, 2025
3Jan 12, 2025Jan 18, 2025
4Jan 19, 2025Jan 25, 2025
5Jan 26, 2025Feb 1, 2025
6Feb 2, 2025Feb 8, 2025
7Feb 9, 2025Feb 15, 2025
8Feb 16, 2025Feb 22, 2025
9Feb 23, 2025Mar 1, 2025
10Mar 2, 2025Mar 8, 2025
11Mar 9, 2025Mar 15, 2025
12Mar 16, 2025Mar 22, 2025
13Mar 23, 2025Mar 29, 2025
14Mar 30, 2025Apr 5, 2025
15Apr 6, 2025Apr 12, 2025
16Apr 13, 2025Apr 19, 2025
17Apr 20, 2025Apr 26, 2025
18Apr 27, 2025May 3, 2025
19May 4, 2025May 10, 2025
20May 11, 2025May 17, 2025
21May 18, 2025May 24, 2025
22May 25, 2025May 31, 2025
23Jun 1, 2025Jun 7, 2025
24Jun 8, 2025Jun 14, 2025
25Jun 15, 2025Jun 21, 2025
26Jun 22, 2025Jun 28, 2025
27Jun 29, 2025Jul 5, 2025
28Jul 6, 2025Jul 12, 2025
29Jul 13, 2025Jul 19, 2025
30Jul 20, 2025Jul 26, 2025
31Jul 27, 2025Aug 2, 2025
32Aug 3, 2025Aug 9, 2025
33Aug 10, 2025Aug 16, 2025
34Aug 17, 2025Aug 23, 2025
35Aug 24, 2025Aug 30, 2025
36Aug 31, 2025Sep 6, 2025
37Sep 7, 2025Sep 13, 2025
38Sep 14, 2025Sep 20, 2025
39Sep 21, 2025Sep 27, 2025
40Sep 28, 2025Oct 4, 2025
41Oct 5, 2025Oct 11, 2025
42Oct 12, 2025Oct 18, 2025
43Oct 19, 2025Oct 25, 2025
44Oct 26, 2025Nov 1, 2025
45Nov 2, 2025Nov 8, 2025
46Nov 9, 2025Nov 15, 2025
47Nov 16, 2025Nov 22, 2025
48Nov 23, 2025Nov 29, 2025
49Nov 30, 2025Dec 6, 2025
50Dec 7, 2025Dec 13, 2025
51Dec 14, 2025Dec 20, 2025
52Dec 21, 2025Dec 27, 2025
53Dec 28, 2025Jan 3, 2026

Printable 2025 calendar with week numbers

The calendar shows ISO week numbers with weeks starting on Monday. Change either in the settings.

Saved in this browserClick any day to type on it. Use ← → for the previous or next month.Tap any day to add a note or highlight it.

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