When Christmas Day falls on a Saturday (and thus 26 December on a Sunday), the following Tuesday 28 December is also normally designated a bank holiday by proclamation. See e.g. "No. 63425". The London Gazette. 23 July 2021. p. 13140. When Christmas Day falls on a Sunday (and thus 26 December on a Monday), the following Tuesday 27 December is designated a bank holiday by the 1971 Act.
