Important Canadian Tax Dates to Remember

Keeping track of key tax deadlines is essential for proper financial planning and avoiding penalties. At taxdepot.ca/, we've compiled this comprehensive list of important Canadian tax dates to help you stay on top of your tax obligations throughout the year.

Personal Income Tax Deadlines

Filing Deadlines

  • April 30, 2025: Deadline for most individuals to file their personal income tax return and pay any balance owing for the 2024 tax year.
  • June 15, 2025: Extended filing deadline for self-employed individuals and their spouses/common-law partners. Note that any balance owing was still due on April 30, 2025.

Tax Installment Due Dates

If you’re required to pay taxes by installments, payments are due on:

  • March 15, 2025
  • June 15, 2025
  • September 15, 2025
  • December 15, 2025

Registered Plans Deadlines

  • March 1, 2025: Last day to contribute to RRSPs for the 2024 tax year.
  • December 31, 2025: Deadline for:
    • Tax-Loss Selling
    • Charitable Donations (to claim on 2025 tax return)
    • RESP and RDSP contributions
    • Converting your RRSP to a RRIF in the year you turn 71

Business Tax Deadlines

T4 Filing

  • February 28, 2025: Deadline for filing T4 slips and summaries for the 2024 calendar year.

Corporate Tax

Corporate tax filing deadlines vary based on your fiscal year-end:

  • Generally due 6 months after your company’s fiscal year-end
  • Corporate taxes are payable 2 or 3 months after the fiscal year-end, depending on your company’s status

GST/HST Returns

Filing and payment deadlines depend on your reporting period:

  • Monthly filers: Due one month after the end of the reporting period
  • Quarterly filers: Due one month after the end of the reporting period
  • Annual filers: Due three months after the end of the reporting period

Payroll Remittances

Due dates vary based on your remitter type:

  • Regular remitters: 15th day of the month following the pay period
  • Quarterly remitters: 15th day of the month following the end of each quarter
  • Accelerated remitters (Threshold 1): 25th day of the same month and 10th day of the following month
  • Accelerated remitters (Threshold 2): 3rd working day after the 7th, 14th, 21st, and last day of each month

Provincial Tax Deadlines

Most provincial taxes follow federal tax deadlines, but there are some exceptions:

Quebec

  • April 30, 2025: Deadline for filing Quebec income tax returns and paying any balance owing
  • June 15, 2025: Extended filing deadline for self-employed individuals (payment still due April 30)

Special Considerations for 2025

Statutory Holidays

Tax deadlines that fall on weekends or statutory holidays are extended to the next business day. Key holidays to note for 2025 include:

  • Good Friday: April 18, 2025
  • Easter Monday: April 21, 2025
  • Victoria Day: May 19, 2025
  • Canada Day: July 1, 2025

CRA Processing Times

  • Electronic filing: Generally processed within 2 weeks
  • Paper filing: Can take 8 weeks or more

Planning Ahead

Tax Planning Strategies

Consider implementing these strategies before year-end:

  • December 31, 2025: Last day to realize capital gains/losses for the 2025 tax year
  • Contributing to registered accounts (TFSA, RESP, RDSP)
  • Making charitable donations
  • Purchasing qualifying medical equipment
  • Paying deductible expenses

Early 2026 Dates

  • January 1, 2026: New TFSA contribution room becomes available
  • February 28, 2026: Deadline for financial institutions to issue tax slips (T3, T4, T5, etc.)

Stay Informed

Tax laws and deadlines can change. For the most up-to-date information:

  • Bookmark this page and check back regularly
  • Sign up for taxdepot.ca/ email notifications
  • Follow us on social media for timely updates

For personalized advice about your specific tax situation, we recommend consulting with a qualified tax professional.

This information is current as of March 17, 2025. While we strive for accuracy, tax rules and deadlines may change.