The Omani National Day is a specific date on the 18 November (1940) to observe the Birthday of Sultan QABOOS of Oman.

Often this public holiday in Oman is not called as National Day. Nonetheless, the banks, schools as well as other public buildings would be closed.

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

May Day can be another countrywide holiday in Oman which is observed to commemorate the successes of the labour movement.

Christmas Day is a public holiday in many 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 Oman 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 probably the significant holidays observed by Hindus, Jains and Sikhs who reside in Oman.

Jews who live in Oman observe 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).