# timestamp

> Indicates the time elapsed since the compass heading was last updated. (Read Only)

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.InputLegacyModule

```csharp
public double timestamp { get; }
```

### Remarks

**Android**: The time elapsed is represented in seconds since the device was last turned on.

**iOS**: The time elapsed is represented in seconds since the Unix epoch January 1, 1970.

### Examples

```csharp
using UnityEngine;

public class CompassTimeStamp : MonoBehaviour
{
    private double previousTimeStamp = 0;

    private void Start()
    {
        Input.location.Start();
        Input.compass.enabled = true;
        Debug.Log($"compass.enabled: {Input.compass.enabled}");
        RecordPreviousTimeStamp();
    }
    void Update()
    {
        Debug.Log($"frame delta: {Time.deltaTime} compass timestamp: {Input.compass.timestamp} compass delta: {Input.compass.timestamp - previousTimeStamp}");
        RecordPreviousTimeStamp();
    }

    private void RecordPreviousTimeStamp()
    {
        previousTimeStamp = Input.compass.timestamp;
    }
}
```