idence ▁for ▁the ▁date ▁of ▁the ▁shift ▁comes ▁from ▁the ▁Southern ▁Hem is phere ▁acc ents , ▁those ▁of ▁Australia , ▁New ▁Zealand , ▁and ▁South ▁Africa . ▁ ▁In ▁Australian ▁English , ▁there ▁is ▁generally ▁agreement ▁with ▁southern ▁British ▁in ▁words ▁like ▁path , ▁laugh , ▁class . ▁However , ▁with ▁the ▁exception ▁of ▁South ▁Australian ▁English , ▁before ▁ ▁or ▁, ▁such ▁as ▁dance , ▁plant , ▁example , ▁most ▁Austral ians ▁use ▁a ▁flat ▁A ; ▁the ▁words ▁a unt , ▁can ' t , ▁sh an ' t , ▁are ▁invari ably ▁pron ounced ▁with ▁a ▁broad ▁A . ▁Ph on et ically , ▁the ▁broad ▁A ▁is ▁. ▁In ▁Australia ▁there ▁is ▁variation ▁in ▁the ▁word ▁castle , ▁both ▁pron unci ations ▁are ▁commonly ▁heard . ▁For ▁more ▁information , ▁see ▁the ▁table ▁at ▁Vari ation ▁in ▁Australian ▁English . ▁In ▁South ▁Australian ▁English ▁the ▁broad ▁A ▁is ▁usually ▁used . ▁ ▁South ▁African ▁and ▁New ▁Zealand ▁English ▁have ▁a ▁distribution ▁of ▁sounds ▁similar ▁to ▁that ▁of ▁R P . ▁ ▁North ▁American ▁acc ents ▁Most ▁acc ents ▁of ▁American ▁English ▁and ▁Canadian ▁English ▁are ▁una ffect ed ▁by ▁the ▁split . ▁ ▁The ▁main ▁exceptions ▁are ▁parts ▁of ▁New ▁England ▁( see ▁Boston ▁acc ent ) ▁and ▁in ▁the ▁Plant ation ▁South , ▁where ▁the ▁broad ▁sound ▁can ▁be ▁used ▁in ▁some ▁of ▁the ▁same ▁words ▁as ▁in ▁southern ▁England , ▁such ▁as ▁a unt , ▁ask , ▁bath ▁etc . ▁(" A unt ", ▁though ,