Italian Phrase
Entro quando devo confirmar?
Meaning
The speaker is asking for the deadline or the exact moment by which they need to confirm something—usually a reservation, an invitation, or a deadline for a decision. It conveys a polite request for clarification about timing.
When to use
Use this phrase when you have been invited to an event, booked a service, or received a request that requires a response, and you are unsure of the latest date you can reply.
✦Grammar Breakdown
Entroquandodevoconfirmar?
Entro
In Portuguese, 'entro' is the first‑person singular present of 'entrar' (to enter). It is often used colloquially to ask about a deadline, similar to 'até que ponto' or 'até quando'.
quando
A question word meaning 'when'. It introduces a temporal clause.
devo
First‑person singular present of 'dever' (to have to, must). It expresses obligation.
confirmar
Infinitive verb meaning 'to confirm'. In this context it refers to confirming attendance, reservation, etc.
Question mark
The sentence ends with a question mark, indicating a request for information.
🗨In Conversation
Entro quando devo confirmar?
When do I need to confirm?
Até sexta‑feira, às 18h.
Until Friday, at 6 p.m.
✕Common Mistakes
Entro quando devo confirmar?
While colloquially accepted, many learners prefer the clearer 'Até quando' to avoid confusion with the verb 'entrar'.
Entro quando preciso confirmar?
Using 'devo' is correct for obligation, but some speakers use 'preciso' which is more informal. Mixing the two can sound inconsistent.
↔Alternatives
Até quando devo confirmar?
Until when should I confirm?
Qual é a data limite para confirmar?
What is the deadline to confirm?
Preciso confirmar até que dia?
I need to confirm by which day?
Cultural Tip
In Brazil and Portugal, confirming attendance (RSVP) is considered courteous, especially for formal events, restaurant reservations, or business meetings. People often give a specific deadline, and replying before that date is seen as respectful. Avoid using overly informal phrasing in professional contexts; instead, opt for 'Até quando devo confirmar?' or 'Qual é a data limite para confirmar?'.