Personal tax return for the current year (2019) has to be filed on or before April 30, next year (2020).
If you or your spouse or common-law partner carried on a business as self-employed in the current year (2019), your return has to be filed on or before June 15, next year (2020). However, if you have a balance owing for the current year ( 2019), you still have to pay it on or before April 30, next year (2020).