Tools To Help with Proposals
Cycle 33 Proposing Calendar and Deadlines
| Milestone | Dates |
|---|---|
| Cycle 33 dates | November 1, 2025 – October 31, 2026 |
|
Cycle 33 Phase I proposal deadline |
Thursday, April 10, 2025 at 8:00pm EDT |
|
Cycle 33 peer review meeting |
June 23 – July 3, 2025 |
|
Cycle 33 Phase II proposal deadline |
Anticipated August 14, 2025 at 5:00pm EDT |
|
Cycle 33 budget submission deadline |
August 14, 2025 at 5:00pm EDT |
|
Notification of the outcome of the Phase I selection process will be sent to all proposers |
Late July 2025. |
Documentation and Software
HST Prefooter
HST Help Desk
Please contact the HST Help Desk with any questions.