Cannot Set Proper Time Zone

[Rob.G]

I spent the Summer in Montana in the Mountain Time Zone. I have now come to Nevada which is Pacific Time. My Mac does not realize this.

I have disabled automatic time updating; I have turned off Set Timezone Automatically. And in the drop-down list, the ONLY cities listed are in MOUNTAIN TIME. So I have no way to property set the time zone.

And what is further maddening is when I manually change the CLOCK time to make it right, the rest of the OS thinks it's an hour later. So like if I'm a chat room and somebody posts, the time shows as an hour later than it should be.

How the heck do I fix this? This sounds like a major bug. I'm on Sequioa 15.6.1.

My internet is Starlink if it matters.

 

[DeltaMac]

Why would you turn off Set Time & Date automatically? Leave that On
also leave on Set Timezone Automatically.

After changing those settings, restart your internet router... If you leave the time & date set to automatic, then (assuming your internet is working properly) your system should sort itself out then.

Also, check in your System Settings/Privacy & Security, then Location Services.
Finally, go to System Services.
Click the Details button.

What do you have turned on there? The relevant item should be Setting Time Zone, but I would suggest that you try changing everything in that window to On, then do a full shut down of your Mac, not just a restart. After it goes completely dark, press and release the power button, just let it boot normally.
That should give your Mac the best chance to decide (and change time settings automatically) what the current location is. The internet connection is the key to doing this completely.

 

[Rob.G]

I turned it off, as I aside above, TO FIX IT. But stupid ***** Apple can't do anything right since Steve Jobs died. This is idiotic. On my Windows machine, I just went to the control panel and adjusted my timezone. Done, problem solved. But on the Mac? Nope. It won't let you.

It's not exactly convenient to shut down my Mac just to fix a timezone issue that shouldn't exist in the first place. I will do it later.

 

[Fishrrman]

I have no idea if this will help, but... are you signed into iCloud?
If so, sign OUT and then try a time/date reset.

I would also do this:
(although I gather from above you may have done this already)
Power down everything, INCLUDING your router.
Power up the router first.
After the router is back up, power on the Mac.
See if that helps.

Final thought.
You're on 15.6.1 ?
There's a 15.7 update out.
You might try updating to it, to see if that makes a difference...

 

[Rob.G]

I rebooted and it fixed it. What a joke. But at least it's fixed. Thanks folks.