[custom_adv] The US Congress congratulated the Norouz scene on Wednesday night with the expressed hope and support of the members of both Republican and Democratic parties of the desire to achieve a secular, and non-nuclear-weapon state. [custom_adv] Although having religious Zoroastrian origins, Nowruz has been celebrated by people from diverse ethno-linguistic communities. It has been celebrated for over 3,000 years in Western Asia, Central Asia, the Caucasus, the Black Sea Basin, and the Balkans. [custom_adv] It is a secular holiday for most celebrants that is enjoyed by people of several different faiths, but remains a holy day for Zoroastrians. [custom_adv] Nowruz is the day of the vernal equinox, and marks the beginning of spring in the Northern Hemisphere. It usually occurs on March 21 or the previous or following day, depending on where it is observed. [custom_adv] The moment the sun crosses the celestial equator and equalizes night and day is calculated exactly every year, and families gather together to observe the rituals. [custom_adv] Nowruz is the name of the Persian New Year, which is celebrated worldwide , along with some other ethno-linguistic groups, as the beginning of the New Year. [custom_adv] Although having religious Zoroastrian origins, Nowruz has been celebrated by people from diverse ethno-linguistic communities. It has been celebrated for over 3,000 years in Western Asia, Central Asia, the Caucasus, the Black Sea Basin, and the Balkans.