A SpaceX Falcon 9 rocket launched the Starlink-21 ("Starlink L-20") mission on Thursday, March 11, 2021 at 8:13 AM (UTC).

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Provider	SpaceX
Vehicle	Falcon 9
Location	SLC-40 Cape Canaveral SFS Florida, United States
All dates and times should be submitted in UTC timezone. Use Estimated Date if you don't know the official launch date and time; otherwise, use Window Opens/Closes and/or Planned T-0, which will override the Estimated Date.
— Estimated Date —
Date
— Window Opens —
Date
Time
Launch Date	Thursday, March 11, 2021
Launch Time	8:13 AM (UTC)
Launch Time (Pad)	04:13 AM (UTC-4)
— Planned T-0 —
Date	Thursday, March 11, 2021
Time	8:13 AM (UTC)
— Window Closes —
Date	Thursday, March 11, 2021
Time	8:13 AM (UTC)
COSPAR ID	2021-018

Part of a series of launches:

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