The panchang is a Hindu calendar that helps people determine the most auspicious time for various activities, such as weddings, religious ceremonies, and business transactions. It is based on the traditional Hindu lunar calendar, and consists of several elements that help to determine the most favorable time for different activities. A panchang consists of five elements: the tithi, the nakshatra, the yoga, the karana, and the vara. These elements are used to determine the auspicious times for various activities and rituals.