The 2023 General Election was held on Saturday 14 October 2023. The table below sets out the key dates for candidates for the election:
| Saturday 1 July | Updated expense limits for the General Election apply |
| Friday 14 July | Start of the regulated period for election advertising expenses |
| Saturday 12 August | Election signs up to 3 square metres can go up, subject to local council rules about location. You can have larger signs or put up signs earlier subject to local council rules |
| Monday 28 August | Candidate nominations open |
| Friday 8 September | Dissolution of Parliament |
| Sunday 10 September | Writ day – the Governor-General issues a formal direction to the Electoral Commission to hold the election Electoral rolls close for printing - voters who enrol after this date cast special declaration votes Candidate and party advertising on TV and radio may start |
| Noon Thursday 14 September | Deadline for bulk nomination of electorate candidates and party lists |
| Noon Friday 15 September | Deadline for nominations for candidates using the individual nomination process |
| Friday 15 September | Voting place information available on vote.nz |
| Wednesday 27 September | Overseas voting begins |
| Monday 2 October | Advance voting begins No campaigning within 10 metres of advanced voting places |
| Thursday 5 October | Cut off for NZ Post to receive election related mail for delivery |
| Friday 13 October | Advance voting ends Regulated period ends - all election advertising must end and signs taken down by midnight |
| Saturday 14 October | Election day – voting places open from 9.00am to 7.00pm Election night – preliminary results released progressively from 7.00pm on electionresults.govt.nz |
| Friday 3 November | Official results declared |
| Wednesday 8 November | Deadline for applications for judicial recount |
| Thursday 9 November | Last day for return of the writ (subject to any recounts) |
| Friday 1 December | Last day for invoices for election expenses to be sent to candidates |
| Wednesday 21 December | Last day for Parliament to meet |
| Monday 22 January 2024 | Last day for candidate election expenses to be paid |
| Wednesday 14 February 2024 | Deadline for returns of candidate donations, election expenses and loans |