Public holidays were regulated in the constitution of the Azerbaijan SSR for the first time on 19 May 1921.
[1] National days in Azerbaijan that are working days follows: Only the holidays of Ramadan and Qurban remain as non-working religious days in Azerbaijan, as the country is highly secular and irreligious.
[9][10] The religious population of the country, mainly in Nardaran and a number of other villages and regions, celebrate the Day of Ashura, a Shia mourning day in the Islamic calendar.
Religious minorities of the country – mainly Orthodox Christians and Jews - also celebrate notable religious days of their faith.
[11] Despite the fact that the holiday Novruz takes its roots from the religion of Zoroastrianism, almost all Azerbaijanis celebrate it as a holiday of spring.