# Epoch milliseconds to timestamp

> Supported in: Batch, Faster, Streaming

Converts from epoch milliseconds to timestamp in UTC.

**Expression categories:** Cast, Datetime

## Declared arguments

* **Expression:** Expression containing epoch milliseconds to convert.<br>*Expression\<Double | Long>*

**Output type:** *Timestamp*

## Examples

### Example 1: Base case

**Description:** You can convert epoch timestamps in milliseconds to the timestamp type

**Argument values:**

* **Expression:** 1673964111000

**Output:** 2023-01-17T14:01:51Z

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### Example 2: Null case

**Description:** Null columns remain null

**Argument values:**

* **Expression:** `input`

| input | **Output** |
| ----- | ----- |
| *null* | *null* |

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