Honkai Star Rail 4.3 Release Date & Maintenance Schedule
HSR 4.3 launches on May 31, 2026 with Mortenax Blade debut and Yao Guang rerun. Full maintenance times and countdown inside.
The upcoming Honkai: Star Rail version 4.3 update arrives on an unusual day — Sunday, May 31, 2026. While this breaks the typical Tuesday/Wednesday pattern, the patch still follows the standard five-hour maintenance window. The highlight of this update is the debut of Mortenax Blade, a new 5-star character, alongside a rerun of Yao Guang.
Keep up with the latest Honkai: Star Rail news at our game hub.
At a Glance
- HSR 4.3 release date: May 31, 2026 (11:00 PM ET)
- Maintenance duration: 5 hours (starts 6:00 PM ET)
- First phase banners: Mortenax Blade (new) + Yao Guang (rerun)
- Patch end date: July 14, 2026 (6:00 PM ET)
Mortenax Blade Banner Schedule
| Banner | Phase | Dates |
|---|---|---|
| Mortenax Blade (Debut) | Phase 1 | May 31 – June 24, 2026 |
| Yao Guang (Rerun) | Phase 1 | May 31 – June 24, 2026 |
The first banner phase is slightly extended (over three weeks) to account for the shifted release date.
Maintenance and Release Times
Maintenance begins at 6:00 PM ET on May 31 and ends at 11:00 PM ET the same day. For players in other regions:
| Timezone | Maintenance Ends |
|---|---|
| PT (UTC-7) | May 31, 8:00 PM |
| ET (UTC-4) | May 31, 11:00 PM |
| GMT (UTC+0) | June 1, 3:00 AM |
| JST (UTC+9) | June 1, 12:00 PM |
A full countdown is available in the original publication.
Pre-Patch Checklist
Before maintenance begins, clear any outstanding limited-time events, spend Trailblaze Power to avoid overflow, and claim all rewards from Simulated Universe and Forgotten Hall.
Should You Pull for Mortenax Blade?
While we await full kit analysis, players interested in a new damage-dealing unit should consider saving Stellar Jades. The Yao Guang rerun is also attractive for those who missed her first banner. Spend based on your roster needs.
For a detailed breakdown of in-game puzzles and exploration, check out our Bizarre Melody Puzzle Guide.
Final Thoughts
Honkai: Star Rail 4.3 arrives on an unconventional date but with the usual maintenance and banner cadence. Mark your calendars and prepare accordingly.
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