When does the national lockdown in England end?

manchestereveningnews.co.uk:

Boris Johnson is to unveil his winter lockdown strategy later today.The Prime Minister will set out plans for a strengthened three-tier system of coronavirus restrictions to replace the national lockdown in England.Mr Johnson will also detail a limited relaxation in the rules for over Christmas, which would allow a small number of households to be able to mix for a set number of days.The PM will make a virtual statement today in the Commons at 3.30pm to MPs, followed by a televised address to the nation later this evening.The second lockdown in England was announced on Halloween on October 31.England at the time was split into three Tiers - 1, 2, and 3 - depending on the severity of the virus in that geographical area.The new lockdown then.