- Friday 19 June: Regulated period for election advertising expenses begins
- Monday 6 July: Launch of Electoral Commission enrollment update campaign
- Wednesday 12 August: Dissolution of Parliament
- Sunday 16 August: Writ Day — the Governor General issues formal direction to the Electoral Commission to hold the election. The writ includes the election date, deadline for nominating candidates and deadline for returning the writ with the names of winning candidates
- Thursday 20 August noon: Deadline for registered political parties to bulk nominate their electorate candidates to the Electoral Commission
- Thursday 20 August noon: Deadline for political parties to submit list candidates to the Electoral Commission
- Friday 21 August noon: Deadline for individual nominations of electorate candidates to Returning Officers
- Wednesday 2 September: Overseas voting starts
- Saturday 5 September: Advance voting starts
- Friday 18 September: Advance voting ends
- Friday 18 September midnight: Regulated period ends. All election and referendum advertising must end. Signs must be taken down by midnight
- Saturday 19 September: Election day. Voting places open from 9 am to 7 pm
Election night. Preliminary election results released progressively from 7 pm. Referendum votes will not be counted on election night.
- Friday 2 October: Preliminary referendum results will be released
- Friday 9 October: Official results for the 2020 General Election and referendums declared
- Thursday 15 October: Last day for the return of the writ.