---
{
    "title": "makedate",
    "language": "zh-CN"
}
---

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# makedate
## description
### Syntax

`DATE MAKEDATE(INT year, INT dayofyear)`
返回指定年份和dayofyear构建的日期。dayofyear必须大于0，否则结果为空。

## example
```
mysql> select makedate(2021,1), makedate(2021,100), makedate(2021,400);
+-------------------+---------------------+---------------------+
| makedate(2021, 1) | makedate(2021, 100) | makedate(2021, 400) |
+-------------------+---------------------+---------------------+
| 2021-01-01        | 2021-04-10          | 2022-02-04          |
+-------------------+---------------------+---------------------+
```

## keyword

    YEARWEEK