Why the clock on Android goes wrong: reasons and solutions

Have you noticed that the time on your smartphone Android suddenly gets lost? Is your watch sometimes fast by a few minutes, sometimes behind by an hour, and sometimes even showing the wrong date? This problem is much more common than it seems - according to statistics, every fifth user encounters it. The reasons can be either software (failures in synchronization settings) or hardware (battery or motherboard malfunction). In this article we will look at all possible reasonswhy the clock on Androidgoes wrong and give step-by-step guide for troubleshooting.

This problem is especially relevant for owners of budget smartphones Xiaomi, Samsung series Galaxy A i J, as well as devices with custom firmware. But even flagship models are not immune to time glitches - for example, after updating to Android 14 many users Google Pixel complained about spontaneous time zone changes. Next, you will learn how to diagnose the problem and return the exact time without contacting a service center.

1. Automatic time synchronization is disabled

The most common reason for clock failure is deactivated network synchronization. Default Android should automatically receive time and date information from your carrier or servers Google, but sometimes this feature is disabled after a system update or factory reset.

To check and enable it:

• 📱 Open Settings → System → Date and time.
• ⚙️ Make sure that the switches Auto-detection of date and time and Auto-detection of time zone are active (blue slider).
• 🔄 If the options are already enabled, try turning them off, waiting 10 seconds and turning them on again - this will reset the synchronization cache.

On some firmware (for example, MIUI from Xiaomi) the path may differ: Settings → Advanced → Date and time. If, after enabling synchronization, the time still gets lost, the problem lies deeper - read the following sections.

2. Incorrect time zone or daylight saving time

An error in the time zone settings is the second most common cause of incorrect time. This is especially true for regions where the transition to summer/winter time is in effect, or for users who often cross borders. Android does not always correctly determine geolocation, especially if:

• 🌍 You are in a border zone (for example, Kaliningrad region or Crimea).
• 📡 Disabled GPS or Mobile data.
• 🔄 You manually changed the time zone, but the system did not save the changes.

How to fix:

1. Go to Settings → System → Date and time.
2. Disable Auto-detection of time zone.
3. Manually select your region from the list (for example, Moscow, GMT+3).
4. Turn automatic detection back on.

3. Failure of the RTC (Real-Time Clock) module

RTC module is a hardware chip on the motherboard that is responsible for counting the time even when the phone is turned off. is damaged or operates unstable, the clock will be lost after each reboot or battery discharge. Signs of malfunction RTC:

• ⏱️ The time is lost by several hours or days (not minutes!).
• 🔋 The problem appears after the battery is completely discharged.
• 🔄 The date is reset to January 1, 1970 or another arbitrary one.

Unfortunately, hardware failures RTC cannot be treated with software. But before taking your phone for repair, try:

1. Reset settings to factory settings (Settings → System → Reset → Delete all data).
2. Flash the device via Fastboot (look for instructions for your model on 4PDA or XDA Developers).

⚠️ Attention: If after the reset the problem remains, and the date is reset to 1970 - this is a sure sign of exiting building RTC-chip. Repair is possible only at a service center (replacing the motherboard or soldering a new module).

4. Battery or power problems

A weak battery or unstable power supply may affect the operation of the RTCmodule. If the battery is low 0% or the phone suddenly turns off, the internal clock is reset. This is typical for old smartphones (for example Samsung Galaxy S5 or LG G4), where the battery capacity has dropped below 60% from the nominal value.

How to check:

• 🔋 Install the application AccuBattery and check battery condition (section Health). If the capacity is lower 70%, the battery needs to be replaced.
• ⚡ Connect the phone to charge and observe whether the time is lost when the cable is disconnected.
• 🔌 Try using a different charger - non-original power supplies can cause voltage surges.

If the problem is confirmed, replace the battery. On most modern smartphones (for example Samsung Galaxy A52 or Xiaomi Redmi Note 11) you can do this yourself by buying a battery and using the instructions on YouTube.

What to do if the phone turns off at 10-15% charge?

This is a sign severe battery wear or power controller failure. In the first case, replacing the battery will help, in the second, repairing the motherboard. If the phone is under warranty, contact a service center - self-repair will void your warranty obligations.

5. Conflict after updating Android

System updates often bring not only new features, but also bugs. For example, after the release Android 13 many users Google Pixel 6 and Samsung Galaxy S22 complained about a spontaneous change in time zone. The reason is errors in the operation of the service Google Play Servicesresponsible for time synchronization.

How to fix:

1. Update Google Play Services to the latest version via Google Play Market.
2. Clear the service cache:

   Settings → Applications → Google Play Services → Memory → Clear cache

3. If the problem persists, roll back to the previous version Android (look for instructions for your model).

Phone model	Android version with a time bug	Solution
Google Pixel 6/7	13 (Tiramisu)	Update to 13.1 or roll back to 12L
Samsung Galaxy S22	One UI 5.0 (Android 13)	Clear cache SecTimeZone via ADB
Xiaomi Redmi Note 10	MIUI 13.0.4	Manually set the time zone

⚠️ Attention: If you are using custom firmware (for example, LineageOS or Pixel Experience), the problem may be incorrect assembly. Check the developer forums for timing bugs for your version.

6. Viruses or malware

Some viruses deliberately change the system time to bypass security restrictions (for example, to steal data or display advertisements). If the clock goes wrong at the same time as suspicious notifications appear or the battery drains quickly, your phone could be infected.

Signs of virus activity:

• 🕒 The time is lost by exactly 1 hour (a common sign adver).
• 📱 Unknown applications appear in the menu.
• 🔋 The phone heats up and discharges quickly.

How to clean your phone:

Delete suspicious applications in Settings → Applications

Run scan via Google Play Protect (Play Market → Profile icon → Play Protect)

Install an antivirus (Malwarebytes or Kaspersky) and scan the system

Reset settings to factory settings (if nothing helped)-->

7. Errors in the operation of the telecom operator

Mobile operators (for example, MTS, Beeline, Tele2) transmit time data through the network NITZ (Network Identity and Time Zone). If there are glitches on their end, your phone may receive incorrect information. This is especially true for:

• 📶 Roaming abroad.
• 🔄 Changing a SIM card or operator.
• 📡 Problems with coverage (for example, in the metro or outback).

How to check:

1. Insert a SIM card of another operator and observe whether the problem persists.
2. Disable Automatic time detection and set it manually.
3. Call the support of your operator and check if there are any failures in the transmission NITZ-data.

8. Hardware damage after a fall or moisture

Physical damage is one of the most annoying causes of time failure. If the phone was dropped, wet or overheated, the following could be damaged:

• 🔋 Battery contacts (poor contact leads to reset RTC).
• 📱 Antenna module (signal reception is disrupted NITZ).
• 🔧 Soldered joints on the motherboard (microcracks after an impact).

Diagnostics:

• Check whether the battery is swollen (the battery should lie flat, without bulges).
• Inspect the charging connector and SIM card for oxidation (green coating).
• If the phone has been dropped, check the operation of other sensors (for example, a gyroscope or compass).

⚠️ Attention: If you find traces of corrosion or a swollen battery, turn off the phone immediately contact service. Continued use may result in fire or electric shock.

FAQ: Frequently asked questions about time failure on Android

Why does the time go wrong after replacing the battery?

Most likely, when replacing the battery, the cable or contacts going to it were damaged. RTC-module. The problem may also be a non-original battery with an unstable voltage. Try:

1. Check the tightness of the battery.
2. Reset the time settings manually.
3. Contact a technician to check the contacts on the board.

The clock only gets lost on an airplane. Is this normal?

Yes, this is standard behavior. The airplane mode phone cannot synchronize with the operator's network (NITZ) or GPS. To avoid failures:

• Before the flight, turn on Automatic time detection.
• After landing, manually update the time or restart the phone.

You can Is it possible to fix a time failure without resetting the settings?

In most cases, yes. Start with:

1. Clear cache Google Play Services.
2. Setting the correct time zone manually.
3. Checking for viruses.

Resetting to factory settings is only needed if the problem is in RTC-module or damaged system files.

Why Do the two SIM cards have different times?

This is due to a data conflict NITZ from different operators. Solution:

• Disable Automatic time detection.
• Select the main SIM card for synchronization in the network settings.
• Use the application for manual synchronization (for example, ClockSync).

Why after the firmware via TWRP the time is set to 1970?

This is a critical error, meaning that the firmware was installed without a correct RTC fixThis happens if:

• You flashed custom kernel without support for your processor.
• Used an outdated version TWRP (below 3.6.0).
• Did not wipe partition data before installation.

Solution: flash the official firmware via Fastboot or find on 4PDA a patch for RTC for your model.