When Does Long March 4B | Unknown Payload Launch?
Live Countdown to Liftoff
Long March 4B | Unknown Payload is scheduled to lift off on Friday, October 23, 2026 at 18:00 UTC — 7 days from now. date tbc
Long March 4B | Unknown Payload is scheduled to lift off Friday, October 23, 2026 at 18:00 UTC from Launch Area 94 (SLS-2 / 603). Status: To Be Confirmed. Live countdown, updated daily as the window shifts.
Details TBD. This mission is flown by China Aerospace Science and Technology Corporation. It is classified as an unknown mission. Liftoff is planned from Launch Area 94 (SLS-2 / 603) at Jiuquan Satellite Launch Center, People's Republic of China. Current status from Launch Library: To Be Confirmed. Launch windows shift often; this page is rebuilt every day with the latest scheduled time.
Long March 4B | Unknown Payload is scheduled to lift off on Friday, October 23, 2026 at 18:00 UTC. The countdown above updates live, so you always see exactly how many days, hours, and minutes are left.
Launch time where you live
| Location | Local time |
|---|---|
| UTC | 18:00 |
| New York (US Eastern) | 14:00 · 2:00 PM |
| Los Angeles (US Pacific) | 11:00 · 11:00 AM |
| London (UK) | 19:00 · 7:00 PM |
| Berlin / Paris (Central Europe) | 20:00 · 8:00 PM |
| New Delhi (India) | 23:30 · 11:30 PM |
| Tokyo (Japan) | 03:00 · 3:00 AM (Oct 24) |
| Sydney (Australia) | 05:00 · 5:00 AM (Oct 24) |
| Your timezone | see local time above |
More Space Launches countdowns
Falcon 9 Block 5 | Starlink Group 15-16October 24, 2026
Long March 8A | Unknown PayloadOctober 22, 2026
Electron | We're Not Hawking Around (3x HawkEye 360)October 21, 2026the Next Rocket Lab LaunchOctober 21, 2026
Ceres-1S | Unknown PayloadOctober 21, 2026Falcon 9 Block 5 | Starlink Group 15-15October 20, 2026Launch times come from the Launch Library 2 API and shift often — this page is rebuilt every day with the latest schedule. Page updated October 16, 2026.