The tax year in the UK runs from 6 April to 5 April the following year. All your income and tax calculations are based on this period, not the calendar year. Knowing the tax year dates is essential for deadlines, allowances, and planning your finances.
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Tax Guide UK Editorial Team: Our team of financial writers, tax researchers, and editors is dedicated to making UK tax easier to understand — and easier to manage. Every article is thoroughly researched, regularly updated, and written in plain English to help you stay compliant and confident.View Author posts