WEEK
week
Description
Syntax
INT WEEK(DATE date[, INT mode])
Returns the week number for date.The value of the mode argument defaults to 0. The following table describes how the mode argument works.
Mode | First day of week | Range | Week 1 is the first week … |
---|---|---|---|
0 | Sunday | 0-53 | with a Sunday in this year |
1 | Monday | 0-53 | with 4 or more days this year |
2 | Sunday | 1-53 | with a Sunday in this year |
3 | Monday | 1-53 | with 4 or more days this year |
4 | Sunday | 0-53 | with 4 or more days this year |
5 | Monday | 0-53 | with a Monday in this year |
6 | Sunday | 1-53 | with 4 or more days this year |
7 | Monday | 1-53 | with a Monday in this year |
The parameter is Date or Datetime type
example
mysql> select week('2020-1-1');
+------------------+
| week('2020-1-1') |
+------------------+
| 0 |
+------------------+
mysql> select week('2020-7-1',1);
+---------------------+
| week('2020-7-1', 1) |
+---------------------+
| 27 |
+---------------------+
keywords
WEEK