day
US /deɪ/
UK /deɪ/

1.
dia
a period of 24 hours as a unit of time, reckoned from one midnight to the next, corresponding to a rotation of the earth on its axis
:
•
There are seven days in a week.
Há sete dias em uma semana.
•
The meeting is scheduled for next Tuesday.
A reunião está agendada para a próxima terça-feira.
2.
dia
the part of a day when there is light; the time between sunrise and sunset
:
•
It gets dark after day.
Escurece depois do dia.
•
We worked all day and night.
Trabalhamos o dia e a noite inteiros.