Punjabi calendar
The Punjabi calendar (Punjabi: ਪੰਜਾਬੀ ਜੰਤਰੀ, پنجابی جنتری) is a luni-solar calendar used by the Punjabi people in Punjab and around the world, but varies by religions. Historically, the Punjabi Sikhs and Punjabi Hindus have used the Nanakshahi calendar and ancient Bikrami (Vikrami) calendar respectively. Punjabi Muslims use the Arabic Hijri calendar alongside the Punjabi Calendar. Some festivals in Punjab, Pakistan are determined by the Punjabi calendar, such as Muharram which is celebrated twice, once according to the Muslim year and again on the 10th of harh/18th of jeth. The Punjabi calendar is the one the rural (agrarian) population follows in Punjab, Pakistan.In Punjab though the solar calendar is generally followed, the lunar calendar used is purṇimānta, or calculated from the ending moment of the full moon: the beginning of the dark fortnight.