Week Numbers

Week Numbers for the Year 2029

Knowing the week numbers for 2029 can be helpful for planning events, managing projects, or simply staying organized. Here’s a complete breakdown of all the weeks in 2029, 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 2029

Week NumberStart DateEnd Date
Week 1Jan 1, 2029Jan 7, 2029
Week 2Jan 8, 2029Jan 14, 2029
Week 3Jan 15, 2029Jan 21, 2029
Week 4Jan 22, 2029Jan 28, 2029
Week 5Jan 29, 2029Feb 4, 2029
Week 6Feb 5, 2029Feb 11, 2029
Week 7Feb 12, 2029Feb 18, 2029
Week 8Feb 19, 2029Feb 25, 2029
Week 9Feb 26, 2029Mar 4, 2029
Week 10Mar 5, 2029Mar 11, 2029
Week 11Mar 12, 2029Mar 18, 2029
Week 12Mar 19, 2029Mar 25, 2029
Week 13Mar 26, 2029Apr 1, 2029
Week 14Apr 2, 2029Apr 8, 2029
Week 15Apr 9, 2029Apr 15, 2029
Week 16Apr 16, 2029Apr 22, 2029
Week 17Apr 23, 2029Apr 29, 2029
Week 18Apr 30, 2029May 6, 2029
Week 19May 7, 2029May 13, 2029
Week 20May 14, 2029May 20, 2029
Week 21May 21, 2029May 27, 2029
Week 22May 28, 2029Jun 3, 2029
Week 23Jun 4, 2029Jun 10, 2029
Week 24Jun 11, 2029Jun 17, 2029
Week 25Jun 18, 2029Jun 24, 2029
Week 26Jun 25, 2029Jul 1, 2029
Week 27Jul 2, 2029Jul 8, 2029
Week 28Jul 9, 2029Jul 15, 2029
Week 29Jul 16, 2029Jul 22, 2029
Week 30Jul 23, 2029Jul 29, 2029
Week 31Jul 30, 2029Aug 5, 2029
Week 32Aug 6, 2029Aug 12, 2029
Week 33Aug 13, 2029Aug 19, 2029
Week 34Aug 20, 2029Aug 26, 2029
Week 35Aug 27, 2029Sep 2, 2029
Week 36Sep 3, 2029Sep 9, 2029
Week 37Sep 10, 2029Sep 16, 2029
Week 38Sep 17, 2029Sep 23, 2029
Week 39Sep 24, 2029Sep 30, 2029
Week 40Oct 1, 2029Oct 7, 2029
Week 41Oct 8, 2029Oct 14, 2029
Week 42Oct 15, 2029Oct 21, 2029
Week 43Oct 22, 2029Oct 28, 2029
Week 44Oct 29, 2029Nov 4, 2029
Week 45Nov 5, 2029Nov 11, 2029
Week 46Nov 12, 2029Nov 18, 2029
Week 47Nov 19, 2029Nov 25, 2029
Week 48Nov 26, 2029Dec 2, 2029
Week 49Dec 3, 2029Dec 9, 2029
Week 50Dec 10, 2029Dec 16, 2029
Week 51Dec 17, 2029Dec 23, 2029
Week 52Dec 24, 2029Dec 30, 2029
Week 53Dec 31, 2029Jan 6, 2030

Yes, 2029 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:

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.