Voting will take place on either Saturday November 25 or Sunday November 26 in alternating regions (regions as defined by the Ontario Liberal Party), between 2pm and 7pm:
- Saturday - North
- Sunday - East (from Kington to Cornwall, including Ottawa)
- Saturday - Central East (Durham Region to Napanee)
- Sunday - Toronto (City of Toronto) & Central North (York Region, Simcoe County)
- Saturday - Central West (Peel & Halton Regions - except Caledon, Halton Hill)
- Sunday -South Central (Waterloo Region, Wellington County, Hamilton, Niagara Region, Brant County)
- Saturday - Southwest (Stratford to London to Windsor, and all rural southwest ridings, including Haldimand-Norfolk)
7 ridings, and selected members in 5 addition ridings, will vote by mail.