EST is already an agreed upon standard in some circles.

I want to visit California.

I currently eat dinner at 6 pm EST. National peak is 6:19 pm.

That’s 23:00 UTC.

People in California eat dinner at 6 PST or 9 PM EST or 2 UTC.

So when I get to California I have to figure out what time dinner is at normally?

Maybe that’s the thing I’m not seeing

It’s simple. I leave Maine at 2 UTC and arrive in California at 11 UTC after a 9 hour flight.

I’m in California with a clock that says 11 UTC. At 11 UTC I am usually sleeping but I could get up. So if I slept well on the plane I’d probably leave the airport to go do something. 11 UTC is 3 am PST. California would be sleeping. How do I know when things will open? Generally 8 am to 10 am. It’s 11 UTC, how do I know when it is “Generally 8 am to 10 am” in California UTC time? Think California probably runs 3 hours later then Maine. I know stores open at 12 UTC to 14 UTC in Maine. So they are generally going to open 15 UTC to 17 UTC in California?

Like instead of worrying about what time it is in your home area. You have to worry about what times change to in the new area. You know your home time instantly, but have to convert to “local” time.

And I do see your point of the date line. That is is a perk.

I mean I don’t want to learn a new dinner time. I don’t want to worry what time dinner is in California.

Yes you can always pick an arbitrary time to start with any system.

Everyone could get on EST and it would be no different than everyone being on UTC. UTC isn’t some special timing system it’s just selecting one timezone to use, like EST.

Imagine if tomorrow the whole US started just using EST. You really think people in California are going to be happy with it? Someone that wakes up at 9 am PST in California would wake up when their clock said 12 pm EST. Their whole daily time routine is shifted 3 hours.

Wake up 8 am PST Lunch 12 pm Dinner 6 pm Sleep 10 pm

It would be

Wake up 14:00 UTC Lunch 20:00 UTC Dinner 2:00 UTC Sleep 6:00 UTC

They would wake up with half the UTC day over and they go to bed early the next day. You’d want to base your day around that? Something like going to gym after dinner would be 3:00 UTC. Yes the daylight level at 3:00 UTC in California is the exact same as 19:00 pm PST. Yet you have to morph your whole schedule around it. Standard time for things like dinner being 18:00 doesn’t exist, it is now a random UTC number depending on where you live. 2:00 UTC in California, 23:00 UTC in Maine.

UTC uses the international date line.

Something as simple as a store having a sale for a day. People in California sleep over half thier day unless they were to order in the “morning” before they go to sleep.

UTC doesn’t mean everyone has to start at the same time

Correct.

it just means that 15:00 is 15:00 without calculating offsets, DST boundaries, or the international date line.

Correct, no offsets.

Incorrect, there’s no such thing as DST boundaries. Only timezones.

Incorrect, the international date line exists in UTC

But how do you determine when everyone has to start?

People in Michigan could be in MST. They are in CST.

If they went to MST and then went to permanent MDT then it would be just like permanent CST. This is what people don’t understand. Someone in Michigan could hate Daylight Savings Time, but if you told them that their standard time should be changed, then they might want permanent daylight savings time to get it back to “normal”

There is no way to make everyone happy

Depending on how close you live one way or the other to a time zone depends how much you like DST for the most part because it makes it matter more. Also north and south matters.

But if you live in a northwest corner of a time zone you probably hate the idea of permanent DST because your standard time could be a whole hour earlier moving just a yard over.

How do you think UTC time would help anything?

If I started work at 8am EST now that would be 15 UTC.

Someone in CST now working for the same company, do they start their work at 15 UTC? That would be like them starting work at 7am CST.

What about MST? They should start at 15 UTC which would be 6am MST?

You just have people in MST start at 17 UTC?

You’re back to timezones

Yes it could be. But having half a city in one time zone and the other half in another causes logistical problems. Does the same thing with states. That’s why they are like that.

Best solution would be creating all new states designed around the time zones.

This would be the best way to split up the time zones with current states and counties

North/West vs South/East in each time zone

There are 4 time zones in the US

The more North/West you live in a time zone the more you hate DST. The more South/East you live the more you like DST.

If you live in blue you probably hate DST, yellow probably like DST

All stems from states like Michigan should be in CST not EST. If Michigan was in CST then permanent DST would make it EST and they would be in “standard” time still.