Week Numbers for the Year 2043
Knowing the week numbers for 2043 can be helpful for planning events, managing projects, or simply staying organized. Here’s a complete breakdown of all the weeks in 2043, including their start and end dates.
What Are Week Numbers?
Week numbers are a standardized way of counting the weeks in a year. Each week is assigned a number from 1 to 52 (sometimes 53), depending on how the calendar aligns with the start of the year. According to the ISO 8601 standard, each week starts on a Monday, and Week 1 is the week that contains the first Thursday of the year.
Week Number Table for 2043
| Week Number | Start Date | End Date |
|---|---|---|
| Week 1 | Dec 29, 2042 | Jan 4, 2043 |
| Week 2 | Jan 5, 2043 | Jan 11, 2043 |
| Week 3 | Jan 12, 2043 | Jan 18, 2043 |
| Week 4 | Jan 19, 2043 | Jan 25, 2043 |
| Week 5 | Jan 26, 2043 | Feb 1, 2043 |
| Week 6 | Feb 2, 2043 | Feb 8, 2043 |
| Week 7 | Feb 9, 2043 | Feb 15, 2043 |
| Week 8 | Feb 16, 2043 | Feb 22, 2043 |
| Week 9 | Feb 23, 2043 | Mar 1, 2043 |
| Week 10 | Mar 2, 2043 | Mar 8, 2043 |
| Week 11 | Mar 9, 2043 | Mar 15, 2043 |
| Week 12 | Mar 16, 2043 | Mar 22, 2043 |
| Week 13 | Mar 23, 2043 | Mar 29, 2043 |
| Week 14 | Mar 30, 2043 | Apr 5, 2043 |
| Week 15 | Apr 6, 2043 | Apr 12, 2043 |
| Week 16 | Apr 13, 2043 | Apr 19, 2043 |
| Week 17 | Apr 20, 2043 | Apr 26, 2043 |
| Week 18 | Apr 27, 2043 | May 3, 2043 |
| Week 19 | May 4, 2043 | May 10, 2043 |
| Week 20 | May 11, 2043 | May 17, 2043 |
| Week 21 | May 18, 2043 | May 24, 2043 |
| Week 22 | May 25, 2043 | May 31, 2043 |
| Week 23 | Jun 1, 2043 | Jun 7, 2043 |
| Week 24 | Jun 8, 2043 | Jun 14, 2043 |
| Week 25 | Jun 15, 2043 | Jun 21, 2043 |
| Week 26 | Jun 22, 2043 | Jun 28, 2043 |
| Week 27 | Jun 29, 2043 | Jul 5, 2043 |
| Week 28 | Jul 6, 2043 | Jul 12, 2043 |
| Week 29 | Jul 13, 2043 | Jul 19, 2043 |
| Week 30 | Jul 20, 2043 | Jul 26, 2043 |
| Week 31 | Jul 27, 2043 | Aug 2, 2043 |
| Week 32 | Aug 3, 2043 | Aug 9, 2043 |
| Week 33 | Aug 10, 2043 | Aug 16, 2043 |
| Week 34 | Aug 17, 2043 | Aug 23, 2043 |
| Week 35 | Aug 24, 2043 | Aug 30, 2043 |
| Week 36 | Aug 31, 2043 | Sep 6, 2043 |
| Week 37 | Sep 7, 2043 | Sep 13, 2043 |
| Week 38 | Sep 14, 2043 | Sep 20, 2043 |
| Week 39 | Sep 21, 2043 | Sep 27, 2043 |
| Week 40 | Sep 28, 2043 | Oct 4, 2043 |
| Week 41 | Oct 5, 2043 | Oct 11, 2043 |
| Week 42 | Oct 12, 2043 | Oct 18, 2043 |
| Week 43 | Oct 19, 2043 | Oct 25, 2043 |
| Week 44 | Oct 26, 2043 | Nov 1, 2043 |
| Week 45 | Nov 2, 2043 | Nov 8, 2043 |
| Week 46 | Nov 9, 2043 | Nov 15, 2043 |
| Week 47 | Nov 16, 2043 | Nov 22, 2043 |
| Week 48 | Nov 23, 2043 | Nov 29, 2043 |
| Week 49 | Nov 30, 2043 | Dec 6, 2043 |
| Week 50 | Dec 7, 2043 | Dec 13, 2043 |
| Week 51 | Dec 14, 2043 | Dec 20, 2043 |
| Week 52 | Dec 21, 2043 | Dec 27, 2043 |
| Week 53 | Dec 28, 2043 | Jan 3, 2044 |
Yes, 2043 has 53 weeks! This happens when the year starts on a Thursday or is a leap year that ends on a Thursday—allowing for that extra ISO week.
Why Are Week Numbers Useful?
Week numbers are used in a variety of scenarios across professional and personal settings:
- Software Development: Sprint planning and agile iterations often use weekly cycles.
- Business Operations: Sales goals, reporting cycles, and payroll often reference week numbers.
- Education: Academic calendars may follow weekly structures, particularly in Europe.
- Travel & Hospitality: Hotels, airlines, and tour companies often plan based on week-based pricing and schedules.
Fun Fact
The ISO 8601 week-numbering system was first introduced in 1988 and is used by many countries around the world, especially in Europe. The U.S. doesn't commonly use it, but many global systems rely on it for consistency.
Find the Week Number of Any Date
Want to know the week number of a specific date? In PHP, you can use the DateTime object like this:
Week number is: 14
List the week numbers of the coming years.