Tax Refund Schedule 2025 Calendar. Taxpayers must pay advance tax by december 15, 2024, but if it falls on a sunday, they can pay on december 16 without penalties. The estimated tax return calendar for the tax season 2025 is available below, as the internal revenue service doesn’t release any calendar to get the tax.

Federal tax refunds are typically processed within 21 days for electronic. The taxpayers can file their tax return.