DoD space shuttle mission launch windows

[SMS]

Hello,

Here are my data about launch window with all the Departament of Defence (DoD) shuttle missions from 1985 to 1992!

Here we have:

1) 51-C Discovery F-3 => 19:50:00 UTC
   1:15 p.m. – 4:15 p.m. EST (18:15 – 21:15)

2) 51-J Atlantis F-1 => 15:15:30 UTC
   10:20 a.m. – 1:20 p.m. EDT (14:20 – 17:20)

3) STS-27  Atlantis F-3 => 14:30:33,987 UTC
        6:32 a.m. – 9:32 a.m. EST (11:32 – 14:32)

4) STS-28 Columbia F-8 => 12:37:00,012 UTC
   7:30 a.m.  – 11:30 a.m. EDT (11:30 – 15:30)

5) STS-33 Discovery F-9 => 00:23:29,986 UTC
   6:30 p.m. – 10:30 p.m. EST (23:30 – 3:30)

6) STS-36 Atlantis F-6 => 07:50:22,000 UTC
   12:00 a.m. – 4:00 a.m. EST (5:00 – 9:00)

7) STS-38 Atlantis F-7 => 23:48:15,006 UTC
   6:30 p.m. – 10:30 p.m. EST (23:30 – 3:30)

8) STS-39 Discovery F-12 => 11:33:14,018 UTC
   3:49 a.m. – 6:51 a.m. EST (8:49 – 11:51)

9) STS-44 Atlantis F-10 => 23:44:00,006 UTC
   6:51 p.m. – 9:30 p.m. EST (23:51 – 02:30)

10) STS-53 Discovery F-15 => 13:23:59,993 UTC
   6:59 a.m. – EST (11:59 –

Is the data correct or has the window for mission at10) have any long term?

Thanks

[SMS]

9) STS-44 Atlantis F-10 => 23:44:00,006 UTC
   6:51 p.m. – 9:30 p.m. EST (23:51 – 02:30)

Is the data correct or has the window for mission at10) have any long term?

Thanks

Is it real or any mistake?

Thanks,