Calendar December 2025 January 2025 February 2025 March 2025 2025 Tax. This also depends on what pay date you use and the pay frequency. Tax periods determine the tax and national insurance thresholds used to calculate your employees' pay.

To see every tax month and tax week for the 2024/2025 tax year use our payroll tax calendar. Elizabeth anderson outlines the price rises and rules changes that will affect your personal finances in the new year