Each group of transmitters within each TV region had its analogue broadcasts switched off at a certain point between those dates.
ˈiːtʃ ɡɹˈuːp ʌv tɹænsmˈɪɾɚz wɪðˌɪn ˈiːtʃ tˌiːvˈiː ɹˈiːdʒən hæd ɪts ˈænəlˌɑːɡ bɹˈɔːdkæsts swˈɪtʃt ˈɔf æɾə sˈɜːʔn̩ pˈɔɪnt bᵻtwˌiːn ðoʊz dˈeɪts.