---
title: Setting Lock’s Internal Clock
description: How to set a lock clock and why it's important.
---

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# Setting Lock’s Internal Clock

### Overview

Various lock features are dependent on the lock time being accurate. It’s important to ensure your lock times are calibrated, specifically during daylight savings.

❗If the lock is connected to a gateway, the lock time will automatically calibrate, including during daylight savings.

#### Steps to calibrate lock time

1. Select the lock you want to calibrate time for, then tap “Settings”.
   
   ![TTLock App\_Lock setting](https://help.33lock.com/hs-fs/hubfs/Help%20Centre/TTLock%20App/Managing%20Lock%20Access/TTLock%20App_Lock%20setting.png?width=412&height=390&name=TTLock%20App_Lock%20setting.png)
2. Tap on “Lock Clock”, and check the time. If the lock time is incorrect, tap “Calibrate Time” and the clock will sync with your mobile devices time.

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