What is the difference between "Have you eaten?" and "Did you eat?"?

English teacher here: Present Perfect (have you eaten) in a PRESENT tense. It describes the present. So, as someone else has written already, it means “are you hungry?” Past Simple, in the other hand, describes a completed action in the past where the time of the action is known or obvious. For example (did you eat the lunch I packed for you?)

Ok, listen up, folks! Present Perfect, have you eaten means the Window of Time to eat is still open. It does not mean, Are you hungry? It does not mean TODAY. Other examples: How many films has Hitchcock made? This is wrong bc he is dead, ie the window of time has closed. It should be: How many films did Hitchcock make? Have you been to Paris? The WoT is open, ie your life is still continuing and you may yet have the chance to go there. Simple Past means the window of time has closed. While you were in Europe last year, did you go to Paris? WoT is closed. BUT, US and Brit English are a bit different, w the US opting more for simple past. Re the CAKE scenario: We also use present perfect for recent news. Example: I have lost my keys. I lost my keys means it happened not so recently, except prolly not in US English. Yes, recently is open to interpretation. When Arafat died, three days later the BBC was still reporting, Arafat has died. So, both OP's CAKE sentences are correct, w slightly different meanings. Any questions?

As a native speaker, they're the same.

If you're talking about normal conversational English? No serious difference. If you're talking about gay American slang, "Did you eat?" Is a phrase to ask if the person was amazingly successful in whichever scenario you were previously talking about. Example: "I think the judges liked my performance" "But girl, did you eat?" It's worth pointing out the distinction because that vernacular is entering common usage due to media coverage

To me, "Have you eaten" implies "have you eaten TODAY". Or contextually, if you're at a party and someone ordered a pizza, you might ask "have you eaten" to imply "have you eaten at this party". "Did you eat" is less versatile, it would be a little strange if someone asked me "did you eat" without any other context. It's more appropriate as a response to someone saying they went somewhere or did something. For example: 👩 I just went into town to grab a few things. 👨 Did you eat? "Have you eaten?" Also works in this scenario, which is why I consider it to be the more versatile option. In general, they're basically interchangeable but there is some nuance to them and I'd personally use "have you eaten" most of the time, if you want your speech to sound natural

Fundamentally they are the same. But as a native speaker I woul say they would be more natural in different contexts 'Have you eaten?' as a question I would usually understand and use it to mean 'have you had any food today' 'Did you eat?' would be used in referenced to a specific situation or event, asking if they ate at that particular event. "I just got back from the office party." "Did you eat?" As a native speaker I don't know the difference between perfect present or past simple, this is just how I would use the phrases.

1: They’re interchangeable, but the latter is more straight to the point. “Did you eat dinner yet?” “Have you eaten dinner yet?” The first is slightly more blunt than the second. 2: Yes, they’re interchangeable. “I have made a cake for you.” “I made a cake for you.” However, the first one is a little clunky in conversation, so people change “I have” into “I’ve.” “I have made a cheeseburger for you.” “I’ve made a cheeseburger for you.” “I made a cheeseburger for you.” Same meaning, but slightly different wording.

In casual conversation, they are perfectly interchangeable. If dissecting, the differences are subtle. The present perfect is more implying "does this thing need to happen if it hasn't yet happened?" while the past tense is more inquisitive about just the fact of whether it happened or not without any sort of expectation that it needs to happen. If "have you eaten today?" is responded to with "I'm not hungry," you have not answered the question necessarily, but the point is still made clear that you don't feel the need to eat. If the question is "did you eat today?" is answered with "I'm not hungry," the question is still not answered but the person is likely asking out of concern for your health and nutrition, not necessarily caring about whether you are hungry or not.

They're the same in the example you've given, but I'd say that "have you" can be used to ask about whether someone's ever done something at any point in the past. eg "have you eaten sushi?" - people would generally take that to mean "have you ever eaten sushi in your life", rather than if they've eaten sushi that day.

British English tends to use the “have” construction more than US English. So an American is more likely to say “I baked a cake for you” where a Bristol person would say “I have baked a cake for you.” Have you eaten feels about the same as did you eat to me. Did you eat sounds slightly more casual. They seem pretty interchangeable here.

I think "have you eaten?" is used in a similar context to "are you hungry?". "Have you eaten?" is inquiring more about the general state of things versus "did you eat?" focusing more on the action of eating. Although they can be used somewhat interchangeably.

They mean roughly the same thing, but "Have you eaten?" is usually used as a preface to offering food, while "Did you eat?" is usually used as a confirmation. Examples: "Have you eaten? OK, then let's get something in the oven." "Did you eat? OK well you should get that done before we leave."

The thrust of the present perfect is describing a present state resulting from a past action: Have you eaten? (If no, let's get you a sandwich. If yes, we can go straight on our walk - direct bearing on your current state) Did you eat? (When you went to that conference yesterday were you there over lunch? - no bearing on your current state) I'm given to understand these distinctions are less strictly observed in colloquially US English than elsewhere.

Not a native, but in my language the difference between those two times is that Have you eaten implies you're talking about TODAY. It's a very recent thing. Did you eat sounds more in the past. Like, since "have you eaten?" implies it is today you're asking about, you could still ask in some hours and the answer could go from no to yes, because I can still eat something TODAY. "Did you eat?" Is a question about a time that has already finished, like yesterday (if you don't eat yesterday, nothing will change that you did not eat yesterday), or a concrete event that has also ended. Lile while at a party you would ask the guests "have you eaten any cupcakes?", but once the party is in the past, you would ask them "did you eat any cupcakes?" I've always used those times in English as in my native language and I've even been told that it's weird that I always use the times correctly. So I guess that's also the explanation in English.

Have you eaten? - I want to know if you've eaten recently, probably so that I can offer you some food. 'Have you eaten? I was just about to serve dinner.' Did you eat? - I want to know if you ate at some point in the past. E.g. 'Did you eat breakfast yesterday?' I have made a cake for you - I recently made a cake for you and I'm probably about to give it to you. 'I've made a cake for you. Shall I put it over here?' I made a cake for you - I made a cake at some point in the past. 'I made a cake for you for your birthday last year.'

Technically different, but pretty interchangable in a lot of situations, the difference is more noticable in specific cases. "Did you go to Rome?" - implies a specific time in the past, for example - last year, when you said you were travelling. "Have you been to Rome?" - at any point in your life, doesn't matter when, all it matters is that currently you are a person who has visited Rome. Present Perfect Simple has a little more intention for the present, I feel like. "Have you eaten? I can cook you something/ you look malnourished, are you okay?" Like there is further reason to ask this presently, not just getting information about past events.

in conversation they’re interchangeable like this

I text my friend “Have you eaten?” when I know I’ll be in her office building area soon, and I’d like her to join me at lunch)

Along with what everyone else has already replied, "Have you eaten?" feels slightly more polite than "Did you eat?" when used in the same situation.

"Have you eaten?" is understood to refer to the recent past or most recent mealtime. If you wanted to make a joke you could use it to mean "Have you ever eaten in your life?" "Did you eat?" would seem to refer to a specific occasion that isn't necessarily recent.

Is there any chance that you are Chinese?

literally, both mean the same thing, but i find “have you eaten?” is more often used when directly looking to invite someone for some sort of meal or eating event, whereas “did you eat?” seems more like a wellness questions asking if u happened to eat because food is good and eating is good, but both are used pretty interchangeably imo. have you eaten can also sound a tiny bit more formal, but it’s nothing special

'Have you eaten?' is standard and polite. 'Did you eat' is often attributed to overbearing relatives, and sometimes caricatured as, "Didja eat?"

In many cases, there is no difference between present perfect and past simple and they can be used interchangeably in casual conversation. The differences become apparent only when you give a longer, more complex narrative. The present perfect emphasizes the current state of being. The perfective tenses set the scene at the beginning of the action. The simple past is less descriptive and is used especially for lists of actions taken.

The former is present perfect, whereas the latter is past simple. Present perfect we use to talk about an action that happened in a point in the past and still has some importance in the present, like "I have eaten". Well, the past simple is to a specific point in the past, like yesterday, last week and so on. We use did only in negatives or questions about this. To positives we use the past form of the verb. P.S. I'm a non-native-English, so, if a made some mistake, let me know and learn. Cheers!