# `now`

## Description

Returns the current time as a timestamp at query execution.

- Produces nanosecond precision if supported by the runtime, otherwise falls back to milliseconds.
- Always returns the same value across multiple invocations within the same query.

## Syntax

```dataprime
now(): timestamp
```

## Example

**Capture the current time**

Create a new field with the timestamp of when the query was executed.

### Example query

```dataprime
create now_time from now()
```

### Example output

```json
{
  "now_time": 1728636400000000000
}
```