Matter Time sync cluster

Application: Matter product using nRF54L15, SDK 3.0.0

Ecosystem: Matter product joins Apple HomePod

I am not able to get  time/date delivered  via Matter to the product. 

1.  Time Sync Cluster has been enabled using ZAP tool. Server is checked off.

2. FeatureMap bit map: Bit 0=1, Server supports time Zone, NTPC: server supports NTP client,  TSC: Time Sync client cluster is present. 

3. To read time,  the below has been added. 

    System::Clock::Microseconds64 utcTime;

    auto chipError = System::SystemClock().GetClock_RealTime(utcTime);

    if(chipError == CHIP_NO_ERROR)
    {
        printk("Read  time=%lld \n", utcTime.count());
    }
    else printk("Not able to read time: chipError=%s \n", chipError.AsString());

4. Generate ZAP files,  and build.

5. When executed, I get  the error:

Read Calendar and Time Info ---->Not able to read time: chipError=Error CHIP:0x00000003

Not able to read time; Chip Error=3

Please let me know what is not correct.  Do we have any documentation or sample code?

Thanks in advance.

Subu

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