docs/sql-manual/sql-functions/date-time-functions/str-to-date.md

---
{
    "title": "STR_TO_DATE",
    "language": "en"
}
---

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## Str_to_date
### Description
#### Syntax

`DATETIME STR_TO_DATE(VARCHAR str, VARCHAR format)`

Convert `str` to `DATETIME` in the manner specified by `format`. If `str` cannot be parsed in the format specified by `format`, the result is unspecified.

All formats in [date_format](./date-format) are supported. In addition, support auto completing the remainder of date part for '%Y' and '%Y-%m'.

### Example

```sql
mysql> select str_to_date('2014-12-21 12:34:56', '%Y-%m-%d %H:%i:%s');
+---------------------------------------------------------+
| str_to_date('2014-12-21 12:34:56', '%Y-%m-%d %H:%i:%s') |
+---------------------------------------------------------+
| 2014-12-21 12:34:56                                     |
+---------------------------------------------------------+

mysql> select str_to_date('2014-12-21 12:34%3A56', '%Y-%m-%d %H:%i%%3A%s');
+--------------------------------------------------------------+
| str_to_date('2014-12-21 12:34%3A56', '%Y-%m-%d %H:%i%%3A%s') |
+--------------------------------------------------------------+
| 2014-12-21 12:34:56                                          |
+--------------------------------------------------------------+

mysql> select str_to_date('200442 Monday', '%X%V %W');
+-----------------------------------------+
| str_to_date('200442 Monday', '%X%V %W') |
+-----------------------------------------+
| 2004-10-18                              |
+-----------------------------------------+

mysql> select str_to_date("2020-09-01", "%Y-%m-%d %H:%i:%s");
+------------------------------------------------+
| str_to_date('2020-09-01', '%Y-%m-%d %H:%i:%s') |
+------------------------------------------------+
| 2020-09-01 00:00:00                            |
+------------------------------------------------+

mysql> select str_to_date('2023','%Y');
+---------------------------+
| str_to_date('2023', '%Y') |
+---------------------------+
| 2023-01-01                |
+---------------------------+
```
### keywords

    STR_TO_DATE,STR,TO,DATE