Portuguese · Time, Numbers & Colors
"Day" in Portuguese: dia
o dia
Day in Portuguese is o dia. It is masculine even though it ends in -a: o dia, um dia. You will hear bom dia every morning, and todo dia for every day.
Planning work
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How to pronounce dia
Say it
JEE-ah
/ˈdʒia/
JEE-ah in Brazil (the d before i often sounds like a soft j). Stress the first syllable lightly: DEE-ah works as a learner cue too.
"Day" in Portuguese: quick reference
| Portuguese | English | When to use |
|---|---|---|
| o dia | the day Default noun for day. | Default noun for day. |
| bom dia | good morning Morning greeting until around noon. | Morning greeting until around noon. |
| todo dia | every day Habits and routines. | Habits and routines. |
| um dia desses | one of these days Vague future plans. | Vague future plans. |
| de dia | during the day / by day Contrast with de noite. | Contrast with de noite. |
How to use dia in real life
- 1Planning work
Qual dia você prefere para a reunião?
Which day do you prefer for the meeting?
Qual dia asks for a calendar day.
- 2Talking habits
Eu corro no parque todo dia.
I run in the park every day.
Todo dia marks a daily habit.
- 3Weather chat
Que dia quente, né?
What a hot day, right?
Que dia + adjective is a common reaction.
Mistakes English speakers make with dia
Incorrect: a dia linda
Correct: o dia lindo
Dia is masculine: o dia, um dia, despite the -a ending.
Incorrect: Bom dia à noite
Correct: Boa noite
Bom dia is only for morning. Evening uses boa noite.
Good to know
Bom dia is social glue in Brazil: shops, elevators, and WhatsApp threads open with it. People also stretch o dia into soft plans—um dia desses—without locking a date, which keeps conversations friendly and flexible.
Try it in a ChatPal conversation
Choosing a day for a picnic
ChatPal
Que dia fica melhor para o piquenique?
Which day works better for the picnic?
You
Sábado é o dia perfeito para mim.
Saturday is the perfect day for me.
ChatPal
Combinado. Se chover, mudamos de dia.
Deal. If it rains, we'll change the day.
You
Beleza. Te aviso cedo nesse dia.
Cool. I'll let you know early that day.
This is a sample. In ChatPal you have this conversation out loud and get feedback on what you say.
Practice this conversation in ChatPal"Day" in other languages
FAQ
Common questions about "Day" in Portuguese
Why is it o dia, not a dia?
Dia is one of the masculine nouns that end in -a. Memorise o dia and um dia as fixed pairs.
How do I say have a nice day?
Tenha um bom dia! or simply Bom dia! as you leave in the morning.
What is the plural of dia?
Os dias. Example: Nos outros dias eu trabalho em casa.
Is dia the same as date?
Dia is day. For a calendar date, Brazilians often say a data or ask Que dia é hoje?
Learn a word, then use it out loud
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- Step 2: Say it out loud
- Step 3: Get feedback
- Step 4: Use it in real scenarios
