| Date | Event | Comments |
| (varies with participant) | Proposal deadline | Proposals received by National Gemini Offices (NGOs). |
| Late October/Early November (set by participant) | NTAC meetings | Scientific assessments by each Gemini participant ("National TAC"). |
| 14 November 2023 | E-transmission | Electronic transmission of NTACs results to Gemini. |
| 01 December 2023 | ITAC | Merging of NTAC results completes by this date. If issues or conflicts remain, the ITAC representatives meet on this date. The list of recommend programs is sent to the Gemini Director. |
| 15 December 2023 | 24A schedule and Phase IIs available | 2024A OT templates available to successful PIs. |
| 03 January 2024 | Phase II reviews start | The response time is 7 days for checking from "For Review" and from "For Activation". |
| 18 January 2024 | Phase II deadline | Mandatory for all PIs (earlier submission is encouraged). |
| 01 February 2024 | Start of semester 2024A | 2024A programs may be observed earlier to fill queue nights. |