The Portuguese National Day is a selected date on the 10 June (1580) to commemorate the Portugal Day (Dia de Portugal) of Portugal.

Often this public holiday in Portugal is not known as National Day. Nonetheless, financial institutions, schools along with public buildings can be closed.

The 1st of January is celebrated as The New Year in Portugal to mark the beginning of a new calendar year.

May Day is yet another countrywide holiday in Portugal which is observed to commemorate the successes of the labour movement.

Christmas Day is a public holiday in nearly all of the nations around the world and observed on December 25 to commemorate the birth of Jesus.

The Orthodox Christian and Western-Roman Catholic patronal feast day or 'name day' are celebrated in each place's patron saint's day, in accordance with the Calendar of saints.

The most important holidays for Muslims in Portugal are Eid ul-Fitr. This is celebrated straight after the end of Ramadan and Eid al-Adha which is celebrated at the conclusion of the Hajj.

Diwali (Festival of Light) is one of the important holidays observed by Hindus, Jains and Sikhs who reside in Portugal.

Jews who live in Portugal commemorate many festivals: the Passover (Spring Feasts of Pesach) and Shavuot, the Rosh Hashanah (beginning of the Year), Yom Kippur (Day of Atonement), Sukkot (Tabernacles), and Shemini Atzeret (Eighth Day of Assembly).