# isQuarterEnd {#isquarterend}

**Parent topic:**[Functions](../../Functions/category.md)

## Syntax {#syntax}

`isQuarterEnd(X)`

## Arguments {#arguments}

**X** is a scalar/vector of type DATE, DATEHOUR, DATETIME, TIMESTAMP or NANOTIMESTAMP.

## Details {#details}

Determine if each element in *X* is the last day of a quarter.

## Examples {#examples}

```
isQuarterEnd(2012.06.30);
// output: true

isQuarterEnd([2012.06.30,2012.07.01]);
// output: [true,false]
```

Related function: [isQuarterStart](isQuarterStart.md)

