## `unixTime`

### Signature

```solidity
function unixTime() external returns (uint256 milliseconds);
```

### Description

Returns the time since unix epoch in milliseconds.

### Returns

| Type      | Description                                  |
|-----------|----------------------------------------------|
| `uint256` | The current unix timestamp in milliseconds   |

### Examples

```solidity [test/UnixTime.t.sol]
uint start = vm.unixTime();
vm.sleep(10_000); // Halts execution for 10 seconds
uint end = vm.unixTime();
assertEq(end - start, 10_000);
```

### Related Cheatcodes

* [`sleep`](/reference/cheatcodes/sleep) - Pauses execution for a specified duration
* [`getBlockTimestamp`](/reference/cheatcodes/get-block-timestamp) - Gets the `block.timestamp`