How to Say "Good Morning" in Portuguese

bom dia

/ˈbõ ˈd͡ʒi.ɐ/

In Portuguese, "good morning" is said as bom dia.

bom dia is a common way to say "good morning" in Brazil, specifically when seeing someone for the first time in the morning.

Meaning: when seeing someone for the first time in the morning (intj)

What does it mean word for word?

The phrase is composed of bom (good) and dia (day), literally meaning "good day".

While bom dia is used in the morning, boa tarde is used from midday until sunset to say "good afternoon".

The adjective bom is masculine to agree with the masculine noun dia.

/ˈbõ ˈdʒi.ɐ/. The phrase has 3 syllables, and the stress is on the 1st syllable.

The word dia in bom dia shares a distant linguistic root with the names Zeus and Jove because they all originate from an ancient word for 'sky' or 'heaven'.
In Brazil, it is common to say bom dia to a shopkeeper or a stranger as a way of acknowledging their presence, even if no further conversation is intended.
In some regions of Brazil, people may shorten the greeting to just dia in very informal settings.

Bom dia a todos.
Good morning, everybody.
This is useful for greeting a group of people.
Tatoeba #404785 by brauliobezerra, translation #22122 by CK
Oi, Tom. Bom dia.
Hello, Tom. Good morning.
This shows how to use the phrase in a simple greeting with a person.
Tatoeba #384821 by brauliobezerra, translation #30314 by CM
Eu disse bom dia.
I said good morning.
This illustrates using the phrase as a reported action.
Tatoeba #2576134 by marcospcruz, translation #2405823 by CK
33 more sentences on Tatoeba

Mariana and Felipe pass each other in an office hallway.

Sources

Wiktionary, “good morning” translations and entries bom dia, CC BY-SA 4.0, dump of 2026-09-26.
Word origins: Wiktionary entries bom, bom dia, dia, CC BY-SA 4.0.
Example sentences: Tatoeba CC BY 2.0 FR.

⭐Share⭐ to appreciate human effort 🙏