Time problem!

[azzido]

Hello,
today I encountered problem with the time.

For all the time I own Xperia S I had time setup as:
"Automatic date and time".
Today, during nightthe time has changed on its own! It was 6.30AM and my phone was stationg it is 6.00AM when the alarm rang!
Due to this issue I almost be late at work!

I setup the time manually and then tried to use automatic option once again, then it set the time 30minutes wrong again!
It is not working correct anymore...

My phone is running official Jelly Bean update, I am from Poland using PLAY carrier.

The question is: is this android problem or carrier? When automatic option is checked - who is responsible for deliver this information?
Where is it downloading from?

I tried to restart the phone and it is the same.

Thank you,

[XperiaSadi007]

have u set the correct time zone.?

[azzido]

Yes, it is correct, moreover it was working fine for a few days after updating to Jelly Bean 😕
Didn't touch this option at all.

[Alexander1]

You can try to set the time from auto to manual as the time supplied through the network may be incorrect.

To set the time manually:

1. From your Home screen, tap the Application screen icon.

2. Find and tap Settings > Date & time.

3. Unmark the Automatic date & time checkbox if it is marked.

4. Tap Set time.

5. Scroll up or down to adjust the hour and minute.

6. If applicable, scroll up to change am to pm, or vice versa.

7. Tap Done.

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[de-es]

I'm gonna answer in Polish since the OP is Polish.

Miałem dokładnie tak samo, w piątek 14 czerwca zaspałem na zaliczenie na studiach... Telefon przestawił się sam w nocy o pół godziny do tyłu. Też mam PLAY. W tej chwili już godzina jest prawidłowa, więc zakładam, że wina leży po stronie operatora. To nam niespodziankę zrobili...

Now in English:

Time zones can be changed in 1h intervals. Right now Poland is GMT+2 (DST is active). There is no 1h30m timezone.

I experienced the exactly same problem, I'm also from Poland and my carrier is PLAY. It appears it was the carrier's problem. Quite a surprise they gave us, I overslept for classes.

It's all fixed now, but I wonder if it will happen again...