---
title: "Yealink T23 IP Phone: Date and Time Incorrect"
slug: "yealink-t23-ip-phone-date-and-time-incorrect"
updated: 2026-05-17T16:43:47Z
published: 2026-05-21T21:27:17Z
canonical: "help.8x8.com/yealink-t23-ip-phone-date-and-time-incorrect"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.8x8.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Yealink T23 IP Phone: Date and Time Incorrect

## Symptom

Yealink SIP-T23P or SIP-T23G phone LCD display shows an incorrect time or date.

## Applies To

- Yealink SIP-T23P and SIP-T23G

## Resolution

### Configure the SNTP Time Server

The time and date are displayed on the LCD screen when the phone is idle. You can configure the phone to obtain the time and date from the SNTP server automatically, or configure the time and date manually.

### Configure SNTP From Phone

1. Press **Menu** > **Settings** > **Basic Settings** > **Time & Date** > **SNTP Settings**.
2. In the **Time Zone** field, press ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/11066) or ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/11065) (or the **Switch** soft key) to select the time zone that applies to your area. *(The default time zone is* ***+8****.)* ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/11067)
3. When you have found the appropriate time zone, press the **down arrow** button.
4. For **NTP Server1**, enter **0.pool.ntp.org**, then press the **down arrow** button.
5. For **NTP Server2**, enter **1.pool.ntp.org**, then press the **down arrow** button.
6. In the **Daylight Saving** field, press ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/11066) or ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/11065) (or the **Switch** soft key) to select the desired value, then press the **down arrow** button.
7. *(Only if* ***Daylight Saving*** *is set to* ***Automatic****.)* In the **Location** field, press ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/11066) or ![](https://cdn.us.document360.io/e3a59e39-abd3-4423-964c-0a4008dc5673/Images/Documentation/11065) (or the **Switch** soft key) to select the desired time zone name, then press the **down arrow** button.
8. Press the **Save** soft key to accept the change or the **Back** soft key to cancel.

## Cause

It is possible the phone has not been configured to automatically obtain the date and time, or the SNTP time server is not properly configured.