Nunta începe azi.

In Romanian, the definite article is usually attached to the end of the noun.

• nuntă = wedding
• nunta = the wedding

So nunta already includes the meaning of the wedding.

This is very common in Romanian:

• fată = girl
• fata = the girl

For feminine nouns ending in -ă, the definite form often changes that final -ă to -a.

Începe is the 3rd person singular present tense of the verb a începe, meaning to begin / to start.

So here:

• nunta = the wedding
• începe = begins / starts

Because nunta is singular, the verb is singular too.

A few forms of a începe:

• eu încep = I begin
• tu începi = you begin
• el/ea începe = he/she begins
• noi începem = we begin

Romanian often leaves subject pronouns out when they are not needed.

Since nunta is already the subject, adding ea would usually be unnecessary.

So Romanian naturally says:

• Nunta începe azi.

Not normally:

• Nunta ea începe azi.

You only add a pronoun if you want extra emphasis or contrast.

Yes. Romanian, like English, often uses the present tense for scheduled or expected events.

So Nunta începe azi can mean that the wedding starts later today, not necessarily at this exact moment.

This is similar to English sentences like:

• The train leaves tonight.
• School starts tomorrow.

If you want to make the future more explicit, Romanian can also say:

• Nunta va începe azi.

But the present tense is very natural here.

Yes, azi is a normal and very common word for today.

Both of these mean today:

• azi
• astăzi

In general:

• azi is shorter and very common in everyday speech
• astăzi can sound a little more formal or a little more careful

In this sentence, either would work:

• Nunta începe azi.
• Nunta începe astăzi.

Yes, Romanian word order is fairly flexible.

Nunta începe azi. is the most neutral order.

You can also say:

• Azi începe nunta. = emphasis on today
• Începe azi nunta. = possible, but less neutral and more marked

So the original sentence is the most straightforward, natural version if you are just stating the fact.

A simple English-friendly approximation is:

• Nunta ≈ NOON-ta
• începe ≈ uhn-CHEH-peh
• azi ≈ ah-ZEE

A few useful pronunciation notes:

• î is a special Romanian vowel with no exact English equivalent.
• ce is pronounced like che in check, but without the final ck sound.
• The final vowels are usually pronounced clearly, unlike in English.

So the whole sentence is roughly:

NOON-ta uhn-CHEH-peh ah-ZEE

Yes, nuntă is a feminine noun.

That matters because Romanian nouns have gender, and gender affects things like:

• articles
• adjectives
• pronouns

For example:

• o nuntă frumoasă = a beautiful wedding
• nunta frumoasă = the beautiful wedding

In your sentence, the gender mainly shows up in the noun form nunta.

It can mean either starts or begins.

The verb a începe is the normal, everyday Romanian verb for both ideas. English may choose start or begin depending on style, but Romanian uses a începe very naturally for both.

So this sentence could be understood as:

• The wedding starts today
• The wedding begins today

Grammatically, o nuntă means a wedding, not the wedding.

So:

• Nunta începe azi. = The wedding starts today
• O nuntă începe azi. = A wedding starts today

The second sentence is possible, but it has a different meaning. It sounds less specific, as if you are talking about one wedding among others, not a particular known wedding.