However, due to adverse weather conditions at Europe’s Spaceport in French Guiana, the flight VA256 to launch the James Webb Space Telescope –initially scheduled for December 24– is being postponed.
The new targeted launch date is December 25, as early as possible within the following launch window:
> Between 07:20 a.m. and 07:52 a.m. Washington, D.C. time,
> Between 09:20 a.m. and 09:52 a.m. Kourou time,
> Between 12:20 p.m. and 12:52 p.m. Universal time (UTC),
> Between 01:20 p.m. and 01:52 p.m. Paris time,
> Between 09:20 p.m. and 09:52 p.m. Tokyo time.
Tomorrow evening, local time, another weather forecast will be issued in order to confirm the date of December 25. The Ariane 5 launch vehicle and Webb are in stable and safe conditions in the Final Assembly Building.