Мне нужно получить справку в отделе кадров до обеда.

Because Russian often expresses need with the pattern:

кому + нужно + infinitive

So:

• мне = to me / for me
• нужно = necessary / needed
• получить = to obtain / to get

Literally, Мне нужно получить... is something like:

To me it is necessary to get...

In natural English, that becomes I need to get...

So мне is in the dative case, not the nominative я, because the structure is different from English.

Нужно means necessary, needed, or one needs to depending on context.

In this sentence, it works as part of the expression:

Мне нужно + infinitive = I need to + verb

Examples:

• Мне нужно идти. = I need to go.
• Нам нужно подождать. = We need to wait.

It is a very common and useful Russian pattern.

This is about aspect.

• получить = perfective → to get/obtain something as a completed result
• получать = imperfective → to be getting / to get habitually / process-focused

Here the speaker needs to complete a single action: get the certificate/document. That is why получить is used.

So:

• Мне нужно получить справку. = I need to obtain the document.
• Мне нужно получать справки каждую неделю. = I need to get documents every week.

In your sentence, the focus is on the completed result, so получить is the natural choice.

Because it is the direct object of получить.

The verb получить takes an object in the accusative case, and справка is a feminine noun, so:

• nominative: справка
• accusative: справку

Compare:

• Это справка. = This is a certificate/document.
• Мне нужно получить справку. = I need to get a certificate/document.

So справку is simply the correct accusative form.

Справка is a very common Russian word for an official certificate, note, or document confirming something.

Depending on context, it could mean things like:

• a medical note
• a certificate from work
• an official confirmation document
• a statement from an office

It does not usually mean a casual “piece of information.” In Russian bureaucracy, справка is often an official paper you need to obtain from some department or institution.

Because after в meaning in/inside, Russian often uses the prepositional case to show location.

• отдел → в отделе = in the department
• кадры → кадров = of personnel / HR

So:

• в отделе кадров = in the HR department

This phrase is fixed and very common.

Important contrast:

• в отделе кадров = in the HR department (location)
• в отдел кадров = to the HR department (direction, motion toward it)

Since the sentence means the document must be obtained at/in that department, в отделе кадров is correct.

Кадров is the genitive plural form of кадры.

The full phrase отдел кадров literally means something like:

department of personnel

This is a common Russian noun + genitive construction.

Examples of similar patterns:

• центр города = city center
• министр обороны = minister of defense
• отдел продаж = sales department
• отдел кадров = personnel department / HR department

So кадров is not random—it shows the relationship department of personnel.

До means before / until, and it requires the genitive case.

So:

• обед = lunch / midday meal
• до обеда = before lunch

This phrase can refer either to:

1. literally before lunch, or
2. more generally before midday / before the lunch break

The exact meaning depends on context.

Other examples with до:

• до вечера = before evening
• до пятницы = before Friday
• до конца недели = before the end of the week

Usually it means before lunch, but in practice that can overlap with before midday, especially in workplace contexts.

In office or bureaucratic Russian, до обеда often means:

• before the lunch break
• in the first half of the day

So the exact time depends on the situation. It is not always a strict clock time like 12:00.

Yes. Russian word order is more flexible than English, although the neutral order here is very natural:

Мне нужно получить справку в отделе кадров до обеда.

You could also hear:

• Мне нужно до обеда получить справку в отделе кадров.
• Справку мне нужно получить в отделе кадров до обеда.

The basic meaning stays the same, but the emphasis changes.

For example:

• до обеда placed earlier may emphasize the deadline
• справку placed first may emphasize what exactly needs to be obtained

So word order in Russian is often used for focus and emphasis, not just grammar.

Sometimes yes, if the subject is obvious from context.

For example, in a conversation, someone might simply say:

Нужно получить справку в отделе кадров до обеда.

That can mean:

• I need to get...
• We need to get...
• It is necessary to get...

depending on context.

But мне makes it clear that the need applies specifically to me.

In this sentence, yes, they are very close.

• Мне нужно получить справку...
• Мне надо получить справку...

Both mean I need to get the document...

Very roughly:

• надо is often a little more conversational
• нужно can sound slightly more neutral or formal

But in many everyday situations they are interchangeable.

A very literal translation would be:

To me it is necessary to obtain a certificate in the personnel department before lunch.

That sounds unnatural in English, but it shows the Russian structure clearly:

• Мне = to me
• нужно = it is necessary
• получить = to obtain
• справку = a certificate/document
• в отделе кадров = in the HR department
• до обеда = before lunch

A natural English translation would simply be:

I need to get a document from the HR department before lunch.