| 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 2022 | E-transmission | Electronic transmission of NTACs results to Gemini. |
| 1 December 2022 | 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 2022 | 23A schedule and Phase IIs available | 2023A OT templates available to successful PIs. |
| 3 January 2023 | Phase II reviews start | The response time is 7 days for checking from "For Review" and from "For Activation". |
| 18 January 2023 | Phase II deadline | Mandatory for all PIs (earlier submission is encouraged). |
| 1 February 2023 | Start of semester 2023A | 2023A programs may be observed earlier to fill queue nights. |