Week Numbers for 2025
Complete list of ISO 8601 week number for 2025, showing the start and end dates for each week. Week 1 contains January 4th.
52 weeks in 2025
| Week Number | From Date (Monday) | To Date (Sunday) |
|---|---|---|
Week 01 | December 30, 2024 | January 5, 2025 |
Week 02 | January 6, 2025 | January 12, 2025 |
Week 03 | January 13, 2025 | January 19, 2025 |
Week 04 | January 20, 2025 | January 26, 2025 |
Week 05 | January 27, 2025 | February 2, 2025 |
Week 06 | February 3, 2025 | February 9, 2025 |
Week 07 | February 10, 2025 | February 16, 2025 |
Week 08 | February 17, 2025 | February 23, 2025 |
Week 09 | February 24, 2025 | March 2, 2025 |
Week 10 | March 3, 2025 | March 9, 2025 |
Week 11 | March 10, 2025 | March 16, 2025 |
Week 12 | March 17, 2025 | March 23, 2025 |
Week 13 | March 24, 2025 | March 30, 2025 |
Week 14 | March 31, 2025 | April 6, 2025 |
Week 15 | April 7, 2025 | April 13, 2025 |
Week 16 | April 14, 2025 | April 20, 2025 |
Week 17 | April 21, 2025 | April 27, 2025 |
Week 18 | April 28, 2025 | May 4, 2025 |
Week 19 | May 5, 2025 | May 11, 2025 |
Week 20 | May 12, 2025 | May 18, 2025 |
Week 21 | May 19, 2025 | May 25, 2025 |
Week 22 | May 26, 2025 | June 1, 2025 |
Week 23 | June 2, 2025 | June 8, 2025 |
Week 24 | June 9, 2025 | June 15, 2025 |
Week 25 | June 16, 2025 | June 22, 2025 |
Week 26 | June 23, 2025 | June 29, 2025 |
Week 27 | June 30, 2025 | July 6, 2025 |
Week 28 | July 7, 2025 | July 13, 2025 |
Week 29 | July 14, 2025 | July 20, 2025 |
Week 30 | July 21, 2025 | July 27, 2025 |
Week 31 | July 28, 2025 | August 3, 2025 |
Week 32 | August 4, 2025 | August 10, 2025 |
Week 33 | August 11, 2025 | August 17, 2025 |
Week 34 | August 18, 2025 | August 24, 2025 |
Week 35 | August 25, 2025 | August 31, 2025 |
Week 36 | September 1, 2025 | September 7, 2025 |
Week 37 | September 8, 2025 | September 14, 2025 |
Week 38 | September 15, 2025 | September 21, 2025 |
Week 39 | September 22, 2025 | September 28, 2025 |
Week 40 | September 29, 2025 | October 5, 2025 |
Week 41 | October 6, 2025 | October 12, 2025 |
Week 42 | October 13, 2025 | October 19, 2025 |
Week 43 | October 20, 2025 | October 26, 2025 |
Week 44 | October 27, 2025 | November 2, 2025 |
Week 45 | November 3, 2025 | November 9, 2025 |
Week 46 | November 10, 2025 | November 16, 2025 |
Week 47 | November 17, 2025 | November 23, 2025 |
Week 48Current Week | November 24, 2025 | November 30, 2025 |
Week 49 | December 1, 2025 | December 7, 2025 |
Week 50 | December 8, 2025 | December 14, 2025 |
Week 51 | December 15, 2025 | December 21, 2025 |
Week 52 | December 22, 2025 | December 28, 2025 |
Week 01
From Date (Monday): December 30, 2024
To Date (Sunday): January 5, 2025
Week 02
From Date (Monday): January 6, 2025
To Date (Sunday): January 12, 2025
Week 03
From Date (Monday): January 13, 2025
To Date (Sunday): January 19, 2025
Week 04
From Date (Monday): January 20, 2025
To Date (Sunday): January 26, 2025
Week 05
From Date (Monday): January 27, 2025
To Date (Sunday): February 2, 2025
Week 06
From Date (Monday): February 3, 2025
To Date (Sunday): February 9, 2025
Week 07
From Date (Monday): February 10, 2025
To Date (Sunday): February 16, 2025
Week 08
From Date (Monday): February 17, 2025
To Date (Sunday): February 23, 2025
Week 09
From Date (Monday): February 24, 2025
To Date (Sunday): March 2, 2025
Week 10
From Date (Monday): March 3, 2025
To Date (Sunday): March 9, 2025
Week 11
From Date (Monday): March 10, 2025
To Date (Sunday): March 16, 2025
Week 12
From Date (Monday): March 17, 2025
To Date (Sunday): March 23, 2025
Week 13
From Date (Monday): March 24, 2025
To Date (Sunday): March 30, 2025
Week 14
From Date (Monday): March 31, 2025
To Date (Sunday): April 6, 2025
Week 15
From Date (Monday): April 7, 2025
To Date (Sunday): April 13, 2025
Week 16
From Date (Monday): April 14, 2025
To Date (Sunday): April 20, 2025
Week 17
From Date (Monday): April 21, 2025
To Date (Sunday): April 27, 2025
Week 18
From Date (Monday): April 28, 2025
To Date (Sunday): May 4, 2025
Week 19
From Date (Monday): May 5, 2025
To Date (Sunday): May 11, 2025
Week 20
From Date (Monday): May 12, 2025
To Date (Sunday): May 18, 2025
Week 21
From Date (Monday): May 19, 2025
To Date (Sunday): May 25, 2025
Week 22
From Date (Monday): May 26, 2025
To Date (Sunday): June 1, 2025
Week 23
From Date (Monday): June 2, 2025
To Date (Sunday): June 8, 2025
Week 24
From Date (Monday): June 9, 2025
To Date (Sunday): June 15, 2025
Week 25
From Date (Monday): June 16, 2025
To Date (Sunday): June 22, 2025
Week 26
From Date (Monday): June 23, 2025
To Date (Sunday): June 29, 2025
Week 27
From Date (Monday): June 30, 2025
To Date (Sunday): July 6, 2025
Week 28
From Date (Monday): July 7, 2025
To Date (Sunday): July 13, 2025
Week 29
From Date (Monday): July 14, 2025
To Date (Sunday): July 20, 2025
Week 30
From Date (Monday): July 21, 2025
To Date (Sunday): July 27, 2025
Week 31
From Date (Monday): July 28, 2025
To Date (Sunday): August 3, 2025
Week 32
From Date (Monday): August 4, 2025
To Date (Sunday): August 10, 2025
Week 33
From Date (Monday): August 11, 2025
To Date (Sunday): August 17, 2025
Week 34
From Date (Monday): August 18, 2025
To Date (Sunday): August 24, 2025
Week 35
From Date (Monday): August 25, 2025
To Date (Sunday): August 31, 2025
Week 36
From Date (Monday): September 1, 2025
To Date (Sunday): September 7, 2025
Week 37
From Date (Monday): September 8, 2025
To Date (Sunday): September 14, 2025
Week 38
From Date (Monday): September 15, 2025
To Date (Sunday): September 21, 2025
Week 39
From Date (Monday): September 22, 2025
To Date (Sunday): September 28, 2025
Week 40
From Date (Monday): September 29, 2025
To Date (Sunday): October 5, 2025
Week 41
From Date (Monday): October 6, 2025
To Date (Sunday): October 12, 2025
Week 42
From Date (Monday): October 13, 2025
To Date (Sunday): October 19, 2025
Week 43
From Date (Monday): October 20, 2025
To Date (Sunday): October 26, 2025
Week 44
From Date (Monday): October 27, 2025
To Date (Sunday): November 2, 2025
Week 45
From Date (Monday): November 3, 2025
To Date (Sunday): November 9, 2025
Week 46
From Date (Monday): November 10, 2025
To Date (Sunday): November 16, 2025
Week 47
From Date (Monday): November 17, 2025
To Date (Sunday): November 23, 2025
Week 48Current Week
From Date (Monday): November 24, 2025
To Date (Sunday): November 30, 2025
Week 49
From Date (Monday): December 1, 2025
To Date (Sunday): December 7, 2025
Week 50
From Date (Monday): December 8, 2025
To Date (Sunday): December 14, 2025
Week 51
From Date (Monday): December 15, 2025
To Date (Sunday): December 21, 2025
Week 52
From Date (Monday): December 22, 2025
To Date (Sunday): December 28, 2025
This 2025 ISO week calendar maps out when each week begins (Monday) and wraps up (Sunday) — so you can keep sprints, payroll cycles, and team reporting on track without guesswork.
- •Weeks are grouped by quarter, making it easier to align product launches with your fiscal calendar.
- •The current week automatically highlights based on your timezone — perfect when your team spans multiple cities.
- •Download the calendar images to drop into your briefs, dashboards, or planning docs.
Need a different year? The year selector lets you jump anywhere from 2015 to 2035 in one click.
2025 Week Numbers Calendar Images
2025 Week Number Calendar - Blue Purple Theme
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2025 Week Number Calendar - Light Theme
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