Editor's Note: The daily launch window for the Atlas 5 rocket carrying NASA's Tracking and Data Relay Satellite K (TDRS K) extends 40 minutes in duration for liftoff from Cape Canaveral's Complex 41.

All times are Eastern.

DATE.........WINDOW OPEN......WINDOW CLOSE

JAN. 29......8:52 p.m.........9:32 p.m. EST
JAN. 30......8:48 p.m.........9:28 p.m. EST
JAN. 31......8:44 p.m.........9:24 p.m. EST
FEB. 1.......8:40 p.m.........9:20 p.m. EST
FEB. 2.......8:36 p.m.........9:16 p.m. EST
FEB. 3.......8:32 p.m.........9:12 p.m. EST
FEB. 4.......8:28 p.m.........9:08 p.m. EST
FEB. 5.......8:24 p.m.........9:04 p.m. EST
FEB. 6.......8:20 p.m.........9:00 p.m. EST
FEB. 7.......8:16 p.m.........8:56 p.m. EST
FEB. 8.......8:12 p.m.........8:52 p.m. EST
FEB. 9.......8:09 p.m.........8:49 p.m. EST
FEB. 10......8:05 p.m.........8:45 p.m. EST
FEB. 11......8:01 p.m.........8:41 p.m. EST
FEB. 12......7:57 p.m.........8:37 p.m. EST
FEB. 13......7:53 p.m.........8:33 p.m. EST
FEB. 14......7:49 p.m.........8:29 p.m. EST
FEB. 15......7:45 p.m.........8:25 p.m. EST
FEB. 16......7:41 p.m.........8:21 p.m. EST
FEB. 17......7:37 p.m.........8:17 p.m. EST
FEB. 18......7:33 p.m.........8:13 p.m. EST
FEB. 19......7:29 p.m.........8:09 p.m. EST
FEB. 20......7:25 p.m.........8:05 p.m. EST
FEB. 21......7:21 p.m.........8:01 p.m. EST
FEB. 22......7:17 p.m.........7:57 p.m. EST
FEB. 23......7:13 p.m.........7:53 p.m. EST
FEB. 24......7:10 p.m.........7:50 p.m. EST
FEB. 25......7:06 p.m.........7:46 p.m. EST
FEB. 26......7:02 p.m.........7:42 p.m. EST
FEB. 27......6:58 p.m.........7:38 p.m. EST