Online calculator

(N.B.: For the new deadline after a motion to dismiss appeal please download our app.)

Supreme Court:

Start Date:

Exclusion July:

Exclusion December 23rd - January 3rd:

Deadline duration:

OR: Number of days:

Your deadline:

By pressing the herein below button, I hereby recognize to have read and understand the sense, nature and extent of this limitation clause, to accept all its terms and conditions and to assume any and all liability of any nature whatsoever related to the use of any and/or all of the Calculation Tools..




  • Mobile App (iPhone, iPad, Google Play)

    Themis Multifactum’s Calculation Tool calculates your deadlines (days or weeks) and quickly adds them to your calendar with reminders or alerts and additions of notes. The application also takes leap years into account.

    The "Supreme Court of Canada" option includes 3 modes of calculation:

    • Without exclusion
    • With exclusion of the month of July
    • With exclusion of the period of December 21 to January 7

  • Application Windows

    Get your deadline directly on your Windows computer:

    • The "Supreme Court of Canada" option includes 3 modes of calculation.
    • Set language in real time.