Four Tuesdays before Azerbaijani Novruz represent natural elements in the traditional sequence.
Known as Çərşənbə, these observances are associated with water, fire, wind, and earth. They lead up to Novruz, the Azerbaijani form of the spring new year, and help turn the weeks before the festival into a period of symbolic preparation.
The final Tuesday is especially lively in many communities, with bonfires and customs involving fire. People may jump over flames while expressing hopes for health and the removal of troubles, although practices vary by locality and family.
These four Tuesdays are an Azerbaijani regional tradition, not a universal requirement for every Nowruz celebration. Other countries and ethnic communities have their own calendars, foods, songs, and pre-festival rituals.