How many weeks are there in 2026?

2026 has 53 ISO weeks. Week 1 starts on Monday, December 29, 2025 and week 53 ends on Sunday, January 3, 2027. A year has 53 weeks when 1 January falls on a Thursday, or on a Wednesday in a leap year; otherwise it has 52.

How are week numbers counted?

This calendar uses the ISO 8601 standard used across Europe, India and most businesses: weeks run Monday to Sunday and week 1 is the week that contains the first Thursday of January (equivalently, the week containing 4 January). The last days of December can therefore belong to week 1 of the next year, and the first days of January to week 52 or 53 of the previous year.

What week is it right now in 2026?

Today, Friday, September 25, 2026, is in week 39 of 2026, which runs from Monday, September 21 to Sunday, September 27. The highlighted row in the table above always shows the current week.

Can I get the 2026 week numbers in Excel?

Yes — click "Week list (CSV)" above to download the week numbers with their start and end dates as a CSV file that opens directly in Excel, Google Sheets or Numbers. The PDF and PNG buttons export the printable calendar with the week column.

Can I add my own events or change the design?

Yes. Click "Create your 2026 calendar" to open the free editor: switch week numbers on or off, add a photo, pick colours and fonts, turn on your country's holidays and add your own dates, then download a 300 DPI PDF or PNG.

2026 Calendar with Week Numbers

All 53 ISO week numbers of 2026 with their start and end dates, and every month with the week number beside each row and US holidays marked. Free to print — download the calendar as a PDF or PNG, or the week list as a CSV for Excel.

This week is Week 39 Monday, September 21 – Sunday, September 27, 2026 39 of 53 weeks · 72% of 2026 gone

Create your 2026 calendar

Free
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53 weeks
ISO 8601
300 DPI print

Week numbers 2026

53 weeks · weeks run Monday to Sunday · week 1 is the week with the first Thursday of January (ISO 8601)

Week	From (Monday)	To (Sunday)
Week 1	Mon, Dec 29, 2025	Sun, Jan 4
Week 2	Mon, Jan 5	Sun, Jan 11
Week 3	Mon, Jan 12	Sun, Jan 18
Week 4	Mon, Jan 19	Sun, Jan 25
Week 5	Mon, Jan 26	Sun, Feb 1
Week 6	Mon, Feb 2	Sun, Feb 8
Week 7	Mon, Feb 9	Sun, Feb 15
Week 8	Mon, Feb 16	Sun, Feb 22
Week 9	Mon, Feb 23	Sun, Mar 1
Week 10	Mon, Mar 2	Sun, Mar 8
Week 11	Mon, Mar 9	Sun, Mar 15
Week 12	Mon, Mar 16	Sun, Mar 22
Week 13	Mon, Mar 23	Sun, Mar 29
Week 14	Mon, Mar 30	Sun, Apr 5
Week 15	Mon, Apr 6	Sun, Apr 12
Week 16	Mon, Apr 13	Sun, Apr 19
Week 17	Mon, Apr 20	Sun, Apr 26
Week 18	Mon, Apr 27	Sun, May 3
Week 19	Mon, May 4	Sun, May 10
Week 20	Mon, May 11	Sun, May 17
Week 21	Mon, May 18	Sun, May 24
Week 22	Mon, May 25	Sun, May 31
Week 23	Mon, Jun 1	Sun, Jun 7
Week 24	Mon, Jun 8	Sun, Jun 14
Week 25	Mon, Jun 15	Sun, Jun 21
Week 26	Mon, Jun 22	Sun, Jun 28
Week 27	Mon, Jun 29	Sun, Jul 5
Week 28	Mon, Jul 6	Sun, Jul 12
Week 29	Mon, Jul 13	Sun, Jul 19
Week 30	Mon, Jul 20	Sun, Jul 26
Week 31	Mon, Jul 27	Sun, Aug 2
Week 32	Mon, Aug 3	Sun, Aug 9
Week 33	Mon, Aug 10	Sun, Aug 16
Week 34	Mon, Aug 17	Sun, Aug 23
Week 35	Mon, Aug 24	Sun, Aug 30
Week 36	Mon, Aug 31	Sun, Sep 6
Week 37	Mon, Sep 7	Sun, Sep 13
Week 38	Mon, Sep 14	Sun, Sep 20
Week 39	Mon, Sep 21	Sun, Sep 27
Week 40	Mon, Sep 28	Sun, Oct 4
Week 41	Mon, Oct 5	Sun, Oct 11
Week 42	Mon, Oct 12	Sun, Oct 18
Week 43	Mon, Oct 19	Sun, Oct 25
Week 44	Mon, Oct 26	Sun, Nov 1
Week 45	Mon, Nov 2	Sun, Nov 8
Week 46	Mon, Nov 9	Sun, Nov 15
Week 47	Mon, Nov 16	Sun, Nov 22
Week 48	Mon, Nov 23	Sun, Nov 29
Week 49	Mon, Nov 30	Sun, Dec 6
Week 50	Mon, Dec 7	Sun, Dec 13
Week 51	Mon, Dec 14	Sun, Dec 20
Week 52	Mon, Dec 21	Sun, Dec 27
Week 53	Mon, Dec 28	Sun, Jan 3, 2027

Printable 2026 calendar with week numbers — all 12 months

January 2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun
1	29	30	31	1New Year's Day	2	3	4
2	5	6	7	8	9	10	11
3	12	13	14	15	16	17	18
4	19Martin Luther King Jr. Day	20	21	22	23	24	25
5	26	27	28	29	30	31	1

February 2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun
5	26	27	28	29	30	31	1
6	2	3	4	5	6	7	8
7	9	10	11	12	13	14	15
8	16Presidents' Day	17	18	19	20	21	22
9	23	24	25	26	27	28	1

March 2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun
9	23	24	25	26	27	28	1
10	2	3	4	5	6	7	8
11	9	10	11	12	13	14	15
12	16	17	18	19	20	21	22
13	23	24	25	26	27	28	29
14	30	31	1	2	3	4	5

April 2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun
14	30	31	1	2	3	4	5
15	6	7	8	9	10	11	12
16	13	14	15	16	17	18	19
17	20	21	22	23	24	25	26
18	27	28	29	30	1	2	3

May 2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun
18	27	28	29	30	1	2	3
19	4	5	6	7	8	9	10
20	11	12	13	14	15	16	17
21	18	19	20	21	22	23	24
22	25Memorial Day	26	27	28	29	30	31

June 2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun
23	1	2	3	4	5	6	7
24	8	9	10	11	12	13	14
25	15	16	17	18	19Juneteenth	20	21
26	22	23	24	25	26	27	28
27	29	30	1	2	3	4	5

July 2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun
27	29	30	1	2	3	4Independence Day	5
28	6	7	8	9	10	11	12
29	13	14	15	16	17	18	19
30	20	21	22	23	24	25	26
31	27	28	29	30	31	1	2

August 2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9
33	10	11	12	13	14	15	16
34	17	18	19	20	21	22	23
35	24	25	26	27	28	29	30
36	31	1	2	3	4	5	6

September 2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun
36	31	1	2	3	4	5	6
37	7Labor Day	8	9	10	11	12	13
38	14	15	16	17	18	19	20
39	21	22	23	24	25	26	27
40	28	29	30	1	2	3	4

October 2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun
40	28	29	30	1	2	3	4
41	5	6	7	8	9	10	11
42	12Columbus Day	13	14	15	16	17	18
43	19	20	21	22	23	24	25
44	26	27	28	29	30	31	1

November 2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun
44	26	27	28	29	30	31	1
45	2	3	4	5	6	7	8
46	9	10	11Veterans Day	12	13	14	15
47	16	17	18	19	20	21	22
48	23	24	25	26Thanksgiving	27	28	29
49	30	1	2	3	4	5	6

December 2026

Wk	Mon	Tue	Wed	Thu	Fri	Sat	Sun
49	30	1	2	3	4	5	6
50	7	8	9	10	11	12	13
51	14	15	16	17	18	19	20
52	21	22	23	24	25Christmas Day	26	27
53	28	29	30	31	1	2	3

US Holidays in 2026

11 public holidays · 261 working days · 104 weekend days

Date	Holiday
Thursday, January 1	New Year's Day
Monday, January 19	Martin Luther King Jr. Day
Monday, February 16	Presidents' Day
Monday, May 25	Memorial Day
Friday, June 19	Juneteenth
Saturday, July 4	Independence Day
Monday, September 7	Labor Day
Monday, October 12	Columbus Day
Wednesday, November 11	Veterans Day
Thursday, November 26	Thanksgiving
Friday, December 25	Christmas Day

Questions

How many weeks are there in 2026?: 2026 has 53 ISO weeks. Week 1 starts on Monday, December 29, 2025 and week 53 ends on Sunday, January 3, 2027. A year has 53 weeks when 1 January falls on a Thursday, or on a Wednesday in a leap year; otherwise it has 52.
How are week numbers counted?: This calendar uses the ISO 8601 standard used across Europe, India and most businesses: weeks run Monday to Sunday and week 1 is the week that contains the first Thursday of January (equivalently, the week containing 4 January). The last days of December can therefore belong to week 1 of the next year, and the first days of January to week 52 or 53 of the previous year.
What week is it right now in 2026?: Today, Friday, September 25, 2026, is in week 39 of 2026, which runs from Monday, September 21 to Sunday, September 27. The highlighted row in the table above always shows the current week.
Can I get the 2026 week numbers in Excel?: Yes — click "Week list (CSV)" above to download the week numbers with their start and end dates as a CSV file that opens directly in Excel, Google Sheets or Numbers. The PDF and PNG buttons export the printable calendar with the week column.
Can I add my own events or change the design?: Yes. Click "Create your 2026 calendar" to open the free editor: switch week numbers on or off, add a photo, pick colours and fonts, turn on your country's holidays and add your own dates, then download a 300 DPI PDF or PNG.