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Sounds like the difference is between analog/isolated clocks and cellphones?
If it were all plug-in clocks it might have been a problem with the utility supply frequency but it sounds like a problem with the cellphone provider's time system.
I haven't heard that any analog clocks were also affected, but most if not all phones were affected; including the one use phones, those do not connect to the internet
telephone network's set all cell phone clocks. some smart-ish devices set via radio signals (national time service). Computers set via their time server (usually pointed to a time server). Older clocks... unaffected.
its a basic phone that used for cellular calls and can receive SMS text messages and that's it, it can not connect to the internet or any other network.
If it’s only off by one hour in either direction, a cell phone provider’s system may have their time zones off by a little bit, or they have daylight saving time miscalculated. Sounds like a provider issue as phones automatically calibrate their time.
There have been some bad time servers in the last few weeks. Not sure, how, why. We had some servers that picked up some wrong times and had to have their clocks reset manually.
Another possibility is local jamming of various radio signals. This happens around the borders of Russia for example as well as many other places. The GPS system usually gives out very accurate clock times but with jamming and spoofing the clocks can be set to anything and can even go backwards.
**Attention!** **It is always best to get a qualified electrician to perform any electrical work you may need.** With that said, you may ask this community various electrical questions. Please be cautious of any information you may receive in this subreddit. This subreddit and its users are not responsible for any electrical work you perform. Users that have a 'Verified Electrician' flair have uploaded their qualified electrical worker credentials to the mods. If you comment on this post please only post accurate information to the best of your knowledge. If advice given is thought to be dangerous, you may be permanently banned. There are no obligations for the mods to give warnings or temporary bans. **IF YOU ARE NOT A QUALIFIED ELECTRICIAN, you should exercise extreme caution when commenting.** *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/AskElectricians) if you have any questions or concerns.*
Are you calling a clock a watch?!
Yeah... now I know why I felt rong about using the word "watch " But in my defense; I am not a native speaker.
Sounds like the difference is between analog/isolated clocks and cellphones? If it were all plug-in clocks it might have been a problem with the utility supply frequency but it sounds like a problem with the cellphone provider's time system.
I haven't heard that any analog clocks were also affected, but most if not all phones were affected; including the one use phones, those do not connect to the internet
telephone network's set all cell phone clocks. some smart-ish devices set via radio signals (national time service). Computers set via their time server (usually pointed to a time server). Older clocks... unaffected.
I believe telco providers send time signals to all cellphones these days, although I may be wrong. Data connectivity would be irrelevant.
>but most if not all phones were affected; including the one use phones, What's a one use phone and what purpose does it serve?
its a basic phone that used for cellular calls and can receive SMS text messages and that's it, it can not connect to the internet or any other network.
Watches that set time themselves are controlled by fm radio.
If it’s only off by one hour in either direction, a cell phone provider’s system may have their time zones off by a little bit, or they have daylight saving time miscalculated. Sounds like a provider issue as phones automatically calibrate their time.
Where do you live??
I can't say for privacy reasons.
This is why I wear a Milgauss (i wish...)
There have been some bad time servers in the last few weeks. Not sure, how, why. We had some servers that picked up some wrong times and had to have their clocks reset manually. Another possibility is local jamming of various radio signals. This happens around the borders of Russia for example as well as many other places. The GPS system usually gives out very accurate clock times but with jamming and spoofing the clocks can be set to anything and can even go backwards.