Week 13 in 2025
Week 13 of 2025 begins on March 24, 2025 and ends on March 30, 2025. It covers days 83 to 89 of the year and falls in quarter 1.
Weeks since this week: 81
Week 13 of 2025 at a glance
| Starts (Monday) | March 24, 2025 |
|---|---|
| Ends (Sunday) | March 30, 2025 |
| US week (Sunday to Saturday) | 13 (March 23, 2025) |
| Month | March |
| Quarter | Q1 |
| Days of the year | 83–89 |
| Year completed at the end of this week | 24.4% |
| Weeks left in 2025 after this week | 39 |
| Weeks in 2025 | 52 |
| Even or odd week | Odd |
Calendar for March 2025
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(US version) (EU/ISO Version)
All Weeks in 2025:
Past & Future Week Number 13:
US and ISO week numbers
In the US system, where weeks start on Sunday and week 1 is the week that contains 1 January, this is week 13 of 2025. It runs from March 23, 2025 to March 29, 2025.
Even and odd weeks
Week 13 is an odd week. Even and odd week numbers are used for alternating schedules such as shift rotas, school timetables, custody arrangements and waste collection.
Week 13 in other years
| From | To | |
|---|---|---|
| Week 13 in 2023 | March 27, 2023 | April 2, 2023 |
| Week 13 in 2024 | March 25, 2024 | March 31, 2024 |
| Week 13 in 2026 | March 23, 2026 | March 29, 2026 |
| Week 13 in 2027 | March 29, 2027 | April 4, 2027 |
How week numbers are counted
Most of the world numbers weeks according to the ISO 8601 standard. A week starts on Monday, and week 1 is the week that contains the first Thursday of the year, which is always the week that contains 4 January.
Week 1 of 2025 began on December 30, 2024. 2025 has 52 ISO weeks.
Because of this rule, the first days of January can belong to the last week of the previous year, and the last days of December can belong to week 1 of the next year.
In the United States, weeks usually start on Sunday and week 1 is the week that contains 1 January, so the US week number can differ from the ISO week number.
Find the week number of a date
Frequently Asked Questions (FAQ)
When does week 13 of 2025 start and end?
Week 13 of 2025 starts on March 24, 2025 and ends on March 30, 2025 (ISO 8601, Monday to Sunday).
Which month is week 13 of 2025 in?
Week 13 of 2025 is in March.
What dates are in week 13 of 2025?
March 24, 2025, March 25, 2025, March 26, 2025, March 27, 2025, March 28, 2025, March 29, 2025, and March 30, 2025
How many weeks does 2025 have?
2025 has 52 ISO weeks.
Is week 13 an even or odd week?
Week 13 is an odd week.
What is the US week number for this week?
In the US system, where weeks start on Sunday and week 1 is the week that contains 1 January, this is week 13 of 2025. It runs from March 23, 2025 to March 29, 2025.