What is the primary difference between a tax year and a financial year in the UK?

The primary difference between a tax year and a financial year in the UK is that the tax year runs from 6 April to 5 April, while the financial year, which is often referred to by the government and public sector, runs from 1 April to 31 March. This distinction is significant because it affects how individuals and businesses report their income and expenses for tax purposes.

The UK's tax year is specifically designed for income tax purposes for individuals and is a unique period that does not align with the standard calendar year. This system originated from historical calendar adjustments, and it remains in place for the assessment of income tax.

On the other hand, a financial year refers to the accounting period used by many businesses and public sector entities for their financial reporting and budgeting. This period is commonly chosen for its practical alignment with fiscal planning, providing a clear framework for monitoring financial performance and preparing annual accounts.

Understanding these distinct periods is crucial for compliance with tax regulations and for accurate financial planning and reporting.