Week numbers 2029
All 52 ISO weeks of 2029 with their exact dates. 2029 starts on a Monday, has 365 days, and counts 52 calendar weeks. Week 1 begins Jan 1, 2029; week 52 ends Dec 30, 2029.
2029 has 52 ISO weeks. Week 1: Jan 1 – Jan 7, 2029. Week 52: Dec 24 – Dec 30, 2029.
Week number chart 2029
| Week number | From (Monday) | To (Sunday) | Month | Quarter |
|---|---|---|---|---|
| Week 1 | Jan 1 | Jan 7 | January | Q1 |
| Week 2 | Jan 8 | Jan 14 | January | Q1 |
| Week 3 | Jan 15 | Jan 21 | January | Q1 |
| Week 4 | Jan 22 | Jan 28 | January | Q1 |
| Week 5 | Jan 29 | Feb 4 | Jan / Feb | Q1 |
| Week 6 | Feb 5 | Feb 11 | February | Q1 |
| Week 7 | Feb 12 | Feb 18 | February | Q1 |
| Week 8 | Feb 19 | Feb 25 | February | Q1 |
| Week 9 | Feb 26 | Mar 4 | Feb / Mar | Q1 |
| Week 10 | Mar 5 | Mar 11 | March | Q1 |
| Week 11 | Mar 12 | Mar 18 | March | Q1 |
| Week 12 | Mar 19 | Mar 25 | March | Q1 |
| Week 13 | Mar 26 | Apr 1 | Mar / Apr | Q1 |
| Week 14 | Apr 2 | Apr 8 | April | Q2 |
| Week 15 | Apr 9 | Apr 15 | April | Q2 |
| Week 16 | Apr 16 | Apr 22 | April | Q2 |
| Week 17 | Apr 23 | Apr 29 | April | Q2 |
| Week 18 | Apr 30 | May 6 | Apr / May | Q2 |
| Week 19 | May 7 | May 13 | May | Q2 |
| Week 20 | May 14 | May 20 | May | Q2 |
| Week 21 | May 21 | May 27 | May | Q2 |
| Week 22 | May 28 | Jun 3 | May / Jun | Q2 |
| Week 23 | Jun 4 | Jun 10 | June | Q2 |
| Week 24 | Jun 11 | Jun 17 | June | Q2 |
| Week 25 | Jun 18 | Jun 24 | June | Q2 |
| Week 26 | Jun 25 | Jul 1 | Jun / Jul | Q2 |
| Week 27 | Jul 2 | Jul 8 | July | Q3 |
| Week 28 | Jul 9 | Jul 15 | July | Q3 |
| Week 29 | Jul 16 | Jul 22 | July | Q3 |
| Week 30 | Jul 23 | Jul 29 | July | Q3 |
| Week 31 | Jul 30 | Aug 5 | Jul / Aug | Q3 |
| Week 32 | Aug 6 | Aug 12 | August | Q3 |
| Week 33 | Aug 13 | Aug 19 | August | Q3 |
| Week 34 | Aug 20 | Aug 26 | August | Q3 |
| Week 35 | Aug 27 | Sep 2 | Aug / Sep | Q3 |
| Week 36 | Sep 3 | Sep 9 | September | Q3 |
| Week 37 | Sep 10 | Sep 16 | September | Q3 |
| Week 38 | Sep 17 | Sep 23 | September | Q3 |
| Week 39 | Sep 24 | Sep 30 | September | Q3 |
| Week 40 | Oct 1 | Oct 7 | October | Q4 |
| Week 41 | Oct 8 | Oct 14 | October | Q4 |
| Week 42 | Oct 15 | Oct 21 | October | Q4 |
| Week 43 | Oct 22 | Oct 28 | October | Q4 |
| Week 44 | Oct 29 | Nov 4 | Oct / Nov | Q4 |
| Week 45 | Nov 5 | Nov 11 | November | Q4 |
| Week 46 | Nov 12 | Nov 18 | November | Q4 |
| Week 47 | Nov 19 | Nov 25 | November | Q4 |
| Week 48 | Nov 26 | Dec 2 | Nov / Dec | Q4 |
| Week 49 | Dec 3 | Dec 9 | December | Q4 |
| Week 50 | Dec 10 | Dec 16 | December | Q4 |
| Week 51 | Dec 17 | Dec 23 | December | Q4 |
| Week 52 | Dec 24 | Dec 30 | December | Q4 |
Weeks follow ISO 8601 (Monday start, week 1 contains January 4).
2029 week numbers by month
Which ISO weeks fall in each month of 2029, and how many weeks start (on a Monday) in that month.
| Month | Week numbers | Weeks starting | Month starts |
|---|---|---|---|
| January | 1–5 | 5 | Jan 1 (Mon) |
| February | 5–9 | 4 | Feb 1 (Thu) |
| March | 9–13 | 4 | Mar 1 (Thu) |
| April | 13–18 | 5 | Apr 1 (Sun) |
| May | 18–22 | 4 | May 1 (Tue) |
| June | 22–26 | 4 | Jun 1 (Fri) |
| July | 26–31 | 5 | Jul 1 (Sun) |
| August | 31–35 | 4 | Aug 1 (Wed) |
| September | 35–39 | 4 | Sep 1 (Sat) |
| October | 40–44 | 5 | Oct 1 (Mon) |
| November | 44–48 | 4 | Nov 1 (Thu) |
| December | 48–52, 1 (2030) | 5 | Dec 1 (Sat) |
Holidays and key dates 2029 by week number
| Date | Day | ISO week | US week |
|---|---|---|---|
| New Year's Day | Monday, Jan 1, 2029 | Week 1 | Week 1 |
| Valentine's Day | Wednesday, Feb 14, 2029 | Week 7 | Week 7 |
| Easter Sunday | Sunday, Apr 1, 2029 | Week 13 | Week 14 |
| Mother's Day (US) | Sunday, May 13, 2029 | Week 19 | Week 20 |
| Memorial Day (US) | Monday, May 28, 2029 | Week 22 | Week 22 |
| Father's Day (US) | Sunday, Jun 17, 2029 | Week 24 | Week 25 |
| Independence Day (US) | Wednesday, Jul 4, 2029 | Week 27 | Week 27 |
| Labor Day (US) | Monday, Sep 3, 2029 | Week 36 | Week 36 |
| Halloween | Wednesday, Oct 31, 2029 | Week 44 | Week 44 |
| Thanksgiving (US) | Thursday, Nov 22, 2029 | Week 47 | Week 47 |
| Black Friday | Friday, Nov 23, 2029 | Week 47 | Week 47 |
| Christmas Day | Tuesday, Dec 25, 2029 | Week 52 | Week 52 |
| New Year's Eve | Monday, Dec 31, 2029 | Week 1 (2030) | Week 53 |
US (Sunday-start) week numbers in 2029
The chart above uses ISO 8601 (Monday start). US calendars, Outlook in US locale and Excel's default
WEEKNUM() count differently: weeks start on Sunday and week 1 is the week containing
January 1. In 2029, US week 1 runs from Sunday, Dec 31, 2028 to Saturday, Jan 6, 2029,
and the year has 53 US week numbers (the last one is partial).
For Monday–Saturday the US week number is the same as the ISO week number; on Sundays it is one higher (because the US week has already rolled over). To convert any single date, use the week number calculator — it shows both systems. Background: week start conventions.
Other years
Frequently asked questions
How many weeks does 2029 have?
2029 has 52 ISO weeks. Like most years it has 52 numbered weeks; the nearest 53-week years are 2026, 2032.
When does week 1 of 2029 start?
Week 1 of 2029 runs from Monday, Jan 1, 2029 to Sunday, Jan 7, 2029 — it is the week containing January 4. 2029 itself begins on a Monday.
When does the last week of 2029 end?
Week 52, the final week of 2029, runs from Dec 24, 2029 to Dec 30, 2029.
Is 2029 a leap year?
No — 2029 has 365 days, which is 52 weeks and 1 day.
What week number is Christmas 2029?
Christmas Day 2029 (Tuesday, Dec 25, 2029) is in ISO week 52 and US week 52. Thanksgiving (Nov 22, 2029) is in ISO week 47, and July 4 is in ISO week 27.
Do US week numbers differ from ISO week numbers in 2029?
Mostly not: from Monday to Saturday the US (Sunday-start) week number equals the ISO week number in 2029; only Sundays are one ahead.