▁to ▁some ▁sch ol ars , ▁was ▁based ▁on ▁a ▁calendar ▁used ▁by ▁B ai ▁and ▁Y i ▁people ▁in ▁ancient ▁times . ▁The ▁calendar ▁included ▁ 1 0 ▁months , ▁ 3 6 ▁days ▁in ▁a ▁month , ▁and ▁two ▁Star ▁Return ing ▁Fest iv als ▁in ▁winter ▁and ▁summer ▁respectively . ▁The ▁two ▁Star ▁Return ing ▁Fest iv als ▁were ▁both ▁considered ▁the ▁New ▁Year , ▁and ▁the ▁one ▁in ▁summer ▁was ▁called ▁the ▁Tor ch ▁Festival ▁as ▁people ▁often ▁light ed ▁a ▁tor ch ▁on ▁that ▁day . ▁There ▁are ▁also ▁many ▁other ▁leg ends ▁about ▁the ▁origin ▁of ▁the ▁Tor ch ▁Festival , ▁yet ▁all ▁of ▁them ▁have ▁the ▁purpose ▁of ▁offering ▁sacrifice ▁to ▁de ities ▁and ▁disp elling ▁g hosts , ▁as ▁a ▁wish ▁for ▁a ▁har vest . ▁ ▁Trad itions ▁and ▁custom ▁of ▁Tor ch ▁Festival ▁in ▁each ▁dynast y ▁▁▁ ▁In ▁the ▁Tor ch ▁Festival , ▁every ▁family ▁needs ▁to ▁light ▁a ▁tor ch ▁and ▁hold ▁the ▁tor ch ▁to ▁ill uminate ▁the ▁corners ▁in ▁the ▁room ▁and ▁walk ▁around ▁the ▁fields . ▁Some ▁vill agers ▁even ▁have ▁tor ch ▁para de ▁so ▁as ▁to ▁drive ▁away ▁all ▁bad ▁luck s ▁and ▁pray ▁for ▁a ▁har vest . ▁The ▁custom ▁of ▁holding ▁a ▁tor ch ▁to ▁shed ▁light ▁on ▁tree ▁and ▁field ▁was ▁found ▁in ▁Han ▁people ▁in ▁Southern ▁Song ▁dynast y . ▁In ▁M ing ▁and ▁Q ing ▁dynast ies , ▁people ▁in ▁Z he ji ang ▁and ▁Ji ang su ▁provinces ▁had ▁the