Handing in notice on rented property notice period

[motheroreily]

I am currently on a rolling contract and need to give a calendars month's notice. The original 6 month contract has finished.

But I'm not sure what a calendar month is. Is it from today or from the date of the month my tenancy started? Ie i moved in on 11th feb. So my month's notice will take me to 11th oct.

I hope that makes sense

Normally from a rent payment date.

Thank you so much. That is v helpful.