Biyernes ang takda.

Because Filipino often makes equational or nonverbal sentences without a separate copula like English is.

So a pattern like:

X ang Y

can mean:

Y is X

In Biyernes ang takda, the sentence simply equates Biyernes with ang takda. English needs is, but Filipino usually does not in this kind of present-time statement.

A more explicit alternative is:

Ang takda ay Biyernes.

Here ay appears, but ay is not exactly the same as English is. It is more of a linker used in a different sentence order.

Ang marks the topic of the sentence.

In Biyernes ang takda, the topic is ang takda. That is the thing being identified.

A good way to think about it is:

• Biyernes = the identifying information
• ang takda = the thing being talked about

So the sentence is saying what the scheduled/appointed thing is.

Important: ang is not always exactly the same as English the. Sometimes it lines up with the, but its main job is grammatical marking, not just definiteness.

Because predicate-first word order is very common in Filipino.

In this sentence:

• Biyernes is the predicate
• ang takda is the topic

So Biyernes ang takda is a normal, natural structure.

If you want the topic first, you can say:

Ang takda ay Biyernes.

That version is also correct, but it can sound a bit more formal or more deliberately structured than the predicate-first version.

Here takda is a noun, and it refers to something that has been set, fixed, appointed, or scheduled.

Depending on context, it could mean things like:

• the set date
• the appointed time
• the schedule
• the deadline

So the best English wording depends on what is being discussed.

For example, if people are talking about:

• a meeting, takda might mean the scheduled day
• an assignment, it might feel more like a due date or deadline
• a formal event, it might mean an appointed date

So takda is broader than just one English word.

Because Biyernes is not being used here as a time phrase meaning on Friday. It is being used as the predicate noun that identifies ang takda.

Compare these ideas:

• Biyernes ang takda.
  = Friday is the set date / The schedule is Friday

• Nakatakda sa Biyernes ang pulong.
  = The meeting is scheduled for Friday

In the second example, sa Biyernes is a time expression. In your sentence, Biyernes is part of the core equation, so sa is not needed.

Yes. That is also correct.

The two main versions are:

• Biyernes ang takda
• Ang takda ay Biyernes

They mean essentially the same thing, but the feel is slightly different:

• Biyernes ang takda sounds very natural and compact
• Ang takda ay Biyernes sounds a bit more formal, organized, or emphatic

Learners should know both patterns, because both are common in Filipino.

In Biyernes ang takda, takda is functioning as a noun.

It refers to something like the set date, the appointment, or the schedule.

The related verb idea would appear in other forms, such as:

• itakda = to set, appoint, schedule
• itinakda = was set, was appointed
• nakatakda = scheduled, set

Examples:

• Itinakda nila ang pulong sa Biyernes.
  They set the meeting for Friday.

• Nakatakda sa Biyernes ang pulong.
  The meeting is scheduled for Friday.

So in your sentence, takda is not acting like a verb.

Not automatically.

Grammatically, the sentence just states that Friday is the appointed/set day. In real life, that often refers to a future event, but the future sense comes mostly from context, not from a special future marker in the sentence itself.

So if people are planning something, listeners will naturally understand it as future. But the sentence structure alone is simply identifying the designated day.

Yes, it is natural, though the exact feel depends on context.

Takda can sound:

• neutral
• slightly formal
• concise
• sometimes a bit literary, depending on the situation

In everyday conversation, some speakers might also use alternatives like:

• Biyernes ang schedule
• Sa Biyernes ang meeting
• Biyernes ang deadline

But Biyernes ang takda is still a valid and natural Filipino sentence, especially when you want a compact way to say that Friday is the set or appointed day.