Toplantı saat üç buçukta başlayacak, ben de üçte orada olacağım.

Üç buçuk literally means three and a half, and when used for time it means 3:30.

The ending -ta shows the time at which something happens, so üç buçukta means at 3:30.

They are actually the same suffix: the Turkish locative ending, which often means in / at / on, and with clock times it means at.

It changes form because of normal Turkish sound rules:

• üç + -te → üçte
• üç buçuk + -ta → üç buçukta

Why?

• The vowel changes between a and e because of vowel harmony.
• The consonant changes between d and t because after a voiceless consonant, Turkish uses t.

So these are not two different grammar points; they are just two forms of the same suffix.

In Turkish, specific times are usually expressed with the locative suffix. So:

• üçte = at three
• beşte = at five
• saat dokuzda = at nine o’clock

This is just the normal Turkish pattern for saying when something happens.

Saat means hour / o’clock / time. In sentences like this, it helps introduce a clock time.

So saat üç buçukta means something like at 3:30 or more literally at the hour 3:30.

It is often natural to include saat, but it is not always absolutely necessary.
For example, Toplantı üç buçukta başlayacak is also grammatical and natural.

Başlayacak comes from the verb başlamak, meaning to start / to begin.

It breaks down like this:

• başla- = verb stem
• -yacak = future tense ending

Because the stem ends in a vowel, Turkish inserts a buffer y before the future suffix:

• başla + acak → başlayacak

So başlayacak means will start.

Both are future tense, but they are built slightly differently because one has a personal ending attached.

• başlayacak = will start
• olacağım = I will be

For olacağım:

• ol- = stem
• -acak = future
• -ım = I

So the underlying structure is roughly:

• ol + acak + ım

When that ending is added, the k in -acak softens to ğ before a vowel, giving:

• olacağım

So olacağım means I will be.

Ben de means I too, I also, or I as well.

In this sentence, it connects the second clause to the first:

• The meeting will start at 3:30,
• and I will also be there at 3.

It gives the idea for my part / too / as well.

This is a very common question, because Turkish has two different forms that look similar:

1. -de / -da as a suffix = in / at / on

   • evde = at home
   • orada = there / in that place
   • üçte = at three

2. de / da as a separate word = also / too

   • ben de = I too
   • o da = he/she also

In your sentence:

• üçte = locative suffix attached to üç
• orada = locative suffix attached to ora
• ben de = separate word meaning too / also

So de is separate here because it is not a case ending; it is the additive particle.

Orada means there or in that place.

It is built from:

• ora = that place / there
• -da = locative suffix

So literally it is something like at that place.

In natural English, we usually just translate it as there.

Turkish often drops subject pronouns, because the verb ending already shows the person. So in many sentences, ben is not necessary.

However, here ben is included for clarity and emphasis:

• Toplantı saat üç buçukta başlayacak, ben de üçte orada olacağım.

This gives a nice contrast/addition:

• the meeting starts at 3:30,
• I, meanwhile, will be there at 3.

Without ben, the sentence would sound less balanced and less clear. So it is included for emphasis and natural flow.

Yes. Turkish word order is flexible, although the verb usually stays near the end of its clause.

This sentence has a very natural order:

• Toplantı = subject
• saat üç buçukta = time
• başlayacak = verb

and then:

• ben de = subject + also
• üçte = time
• orada = place
• olacağım = verb

You could rearrange parts for emphasis, but this version is very standard and easy to understand.

Turkish does not have a word that works exactly like English the.

So Toplantı can mean:

• meeting
• the meeting

Which one is meant depends on context. In this sentence, the context makes it clear that it means the meeting.

Because both actions are in the future:

• başlayacak = will start
• olacağım = I will be

English sometimes uses present forms for future schedules, as in The meeting starts at 3:30, but Turkish very naturally uses the future tense here. So this sentence is a normal way to talk about a planned future event and where the speaker will be.