Example
Return the year and week number for a date:
sql
SELECT YEARWEEK("2017-06-15");
Definition and Usage
The YEARWEEK() function returns the year and week number (a number from 0 to 53) for a given date.
Syntax
text
YEARWEEK(date, firstdayofweek)
Parameter Values
| Parameter | Description |
|---|---|
| date | Required. The date or datetime value to extract the year and week number from |
| firstdayofweek | Optional. Specifies what day the week starts on. Can be one of the following: 0 - First day of week is Sunday 1 - First day of week is Monday and the first week has more than 3 days 2 - First day of week is Sunday 3 - First day of week is Monday and the first week has more than 3 days 4 - First day of week is Sunday and the first week has more than 3 days 5 - First day of week is Monday 6 - First day of week is Sunday and the first week has more than 3 days 7 - First day of week is Monday |
Technical Details
| Works in: | From MySQL 4.0 |
|---|
More Examples
Example
Return the year and week number for a date:
sql
SELECT YEARWEEK("2017-10-25");
Example
Return the year and week number for the current system date:
sql
SELECT YEARWEEK(CURDATE());