Week numbers for 2039
View all week numbers for 2039 in the table below. Each week shows its start and end date according to the ISO 8601 standard.
| Week Numbers 2039: | Start date: | End date: |
|---|---|---|
| week 1 | Mon, Jan 3, 2039 | Sun, Jan 9, 2039 |
| week 2 | Mon, Jan 10, 2039 | Sun, Jan 16, 2039 |
| week 3 | Mon, Jan 17, 2039 | Sun, Jan 23, 2039 |
| week 4 | Mon, Jan 24, 2039 | Sun, Jan 30, 2039 |
| week 5 | Mon, Jan 31, 2039 | Sun, Feb 6, 2039 |
| week 6 | Mon, Feb 7, 2039 | Sun, Feb 13, 2039 |
| week 7 | Mon, Feb 14, 2039 | Sun, Feb 20, 2039 |
| week 8 | Mon, Feb 21, 2039 | Sun, Feb 27, 2039 |
| week 9 | Mon, Feb 28, 2039 | Sun, Mar 6, 2039 |
| week 10 | Mon, Mar 7, 2039 | Sun, Mar 13, 2039 |
| week 11 | Mon, Mar 14, 2039 | Sun, Mar 20, 2039 |
| week 12 | Mon, Mar 21, 2039 | Sun, Mar 27, 2039 |
| week 13 | Mon, Mar 28, 2039 | Sun, Apr 3, 2039 |
| week 14 | Mon, Apr 4, 2039 | Sun, Apr 10, 2039 |
| week 15 | Mon, Apr 11, 2039 | Sun, Apr 17, 2039 |
| week 16 | Mon, Apr 18, 2039 | Sun, Apr 24, 2039 |
| week 17 | Mon, Apr 25, 2039 | Sun, May 1, 2039 |
| week 18 | Mon, May 2, 2039 | Sun, May 8, 2039 |
| week 19 | Mon, May 9, 2039 | Sun, May 15, 2039 |
| week 20 | Mon, May 16, 2039 | Sun, May 22, 2039 |
| week 21 | Mon, May 23, 2039 | Sun, May 29, 2039 |
| week 22 | Mon, May 30, 2039 | Sun, Jun 5, 2039 |
| week 23 | Mon, Jun 6, 2039 | Sun, Jun 12, 2039 |
| week 24 | Mon, Jun 13, 2039 | Sun, Jun 19, 2039 |
| week 25 | Mon, Jun 20, 2039 | Sun, Jun 26, 2039 |
| week 26 | Mon, Jun 27, 2039 | Sun, Jul 3, 2039 |
| week 27 | Mon, Jul 4, 2039 | Sun, Jul 10, 2039 |
| week 28 | Mon, Jul 11, 2039 | Sun, Jul 17, 2039 |
| week 29 | Mon, Jul 18, 2039 | Sun, Jul 24, 2039 |
| week 30 | Mon, Jul 25, 2039 | Sun, Jul 31, 2039 |
| week 31 | Mon, Aug 1, 2039 | Sun, Aug 7, 2039 |
| week 32 | Mon, Aug 8, 2039 | Sun, Aug 14, 2039 |
| week 33 | Mon, Aug 15, 2039 | Sun, Aug 21, 2039 |
| week 34 | Mon, Aug 22, 2039 | Sun, Aug 28, 2039 |
| week 35 | Mon, Aug 29, 2039 | Sun, Sep 4, 2039 |
| week 36 | Mon, Sep 5, 2039 | Sun, Sep 11, 2039 |
| week 37 | Mon, Sep 12, 2039 | Sun, Sep 18, 2039 |
| week 38 | Mon, Sep 19, 2039 | Sun, Sep 25, 2039 |
| week 39 | Mon, Sep 26, 2039 | Sun, Oct 2, 2039 |
| week 40 | Mon, Oct 3, 2039 | Sun, Oct 9, 2039 |
| week 41 | Mon, Oct 10, 2039 | Sun, Oct 16, 2039 |
| week 42 | Mon, Oct 17, 2039 | Sun, Oct 23, 2039 |
| week 43 | Mon, Oct 24, 2039 | Sun, Oct 30, 2039 |
| week 44 | Mon, Oct 31, 2039 | Sun, Nov 6, 2039 |
| week 45 | Mon, Nov 7, 2039 | Sun, Nov 13, 2039 |
| week 46 | Mon, Nov 14, 2039 | Sun, Nov 20, 2039 |
| week 47 | Mon, Nov 21, 2039 | Sun, Nov 27, 2039 |
| week 48 | Mon, Nov 28, 2039 | Sun, Dec 4, 2039 |
| week 49 | Mon, Dec 5, 2039 | Sun, Dec 11, 2039 |
| week 50 | Mon, Dec 12, 2039 | Sun, Dec 18, 2039 |
| week 51 | Mon, Dec 19, 2039 | Sun, Dec 25, 2039 |
| week 52 | Mon, Dec 26, 2039 | Sun, Jan 1, 2040 |
What is a week number?
A week number is the sequential number assigned to each week in a calendar year. We use the ISO 8601 international standard, where each week begins on Monday and runs through Sunday.
Calendar with week numbers
The calendar consists of 12 months. To reference smaller time periods, week numbers provide a convenient solution. Many activities are scheduled for a specific week when an exact date isn't yet confirmed. Week numbers offer a practical way to communicate these timeframes.
Week numbers for 2039
Every week runs from Monday to Sunday. Week 1 is the week with the first Thursday of January, following the ISO 8601 standard used in business, logistics and most of the world outside the US.
The current week number is determined by the date. January 4 always falls in the first week of the year - this is the standard rule. Because of this, February 1 always falls in week 5.
You can calculate the current week number yourself by counting the elapsed weeks or checking a calendar. However, this is time-consuming, which is why we provide a complete overview for each year showing all week numbers with their start and end dates.
What is the week number this week?
Week numbers are particularly important for maintaining organized schedules and coordinating with others. Our tools make it easy to track week numbers throughout the year.
FAQ
How many weeks are in 2039?
The year 2039 has 52 weeks. This is determined by the ISO 8601 standard where week 1 is the first week with at least 4 days in January.
When does week 1 of 2039 start?
Week 1 of 2039 begins on the Monday closest to January 1, as long as at least 4 days fall in January.
How are week numbers determined?
We use the ISO 8601 international standard. Each week starts on Monday, and week 1 is the first week with at least 4 days in the new year. This means January 4 always falls in week 1.
See also: Calendar 2039