Apollo 11 Timeline

 

 

Event

GET

(hhh:mm:ss)

GMT

Time

GMT

Date

Terminal countdown started.

-028:00:00

21:00:00

14 Jul 1969

Scheduled 11-hour hold at T-9 hours.

-009:00:00

16:00:00

15 Jul 1969

Countdown resumed at T-9 hours.

-009:00:00

03:00:00

16 Jul 1969

Scheduled 1-hour 32-minute hold at T-3 hours 30 minutes.

-003:30:00

08:30:00

16 Jul 1969

Countdown resumed at T-3 hours 30 minutes.

-003:30:00

10:02:00

16 Jul 1969

Guidance reference release.

-000:00:16.968

13:31:43

16 Jul 1969

S-IC engine start command.

-000:00:08.9

13:31:51

16 Jul 1969

S-IC engine ignition (#5).

-000:00:06.4

13:31:53

16 Jul 1969

All S-IC engines thrust OK.

-000:00:01.6

13:31:58

16 Jul 1969

Range zero.

000:00:00.00

13:32:00

16 Jul 1969

All holddown arms released (1st motion).

000:00:00.3

13:32:00

16 Jul 1969

Liftoff (umbilical disconnected) (1.07 g).

000:00:00.63

13:32:00

16 Jul 1969

Tower clearance yaw maneuver started.

000:00:01.7

13:32:01

16 Jul 1969

Yaw maneuver ended.

000:00:09.7

13:32:09

16 Jul 1969

Pitch and roll maneuver started.

000:00:13.2

13:32:13

16 Jul 1969

Roll maneuver ended.

000:00:31.1

13:32:31

16 Jul 1969

Mach 1 achieved.

000:01:06.3

13:33:06

16 Jul 1969

Maximum dynamic pressure (735.17 lb/ft2).

000:01:23.0

13:33:23

16 Jul 1969

Maximum bending moment (33,200,000 lbf-in).

000:01:31.5

13:33:31

16 Jul 1969

S-IC center engine cutoff command.

000:02:15.2

13:34:15

16 Jul 1969

Pitch maneuver ended.

000:02:40.0

13:34:40

16 Jul 1969

S-IC outboard engine cutoff.

000:02:41.63

13:34:41

16 Jul 1969

S-IC maximum total inertial acceleration (3.94 g).

000:02:41.71

13:34:41

16 Jul 1969

S-IC maximum Earth-fixed velocity. S-IC/S-II separation command.

000:02:42.30

13:34:42

16 Jul 1969

S-II engine start command.

000:02:43.04

13:34:43

16 Jul 1969

S-II ignition.

000:02:44.0

13:34:44

16 Jul 1969

S-II aft interstage jettisoned.

000:03:12.3

13:35:12

16 Jul 1969

Launch escape tower jettisoned.

000:03:17.9

13:35:17

16 Jul 1969

Iterative guidance mode initiated.

000:03:24.1

13:35:24

16 Jul 1969

S-IC apex.

000:04:29.1

13:36:29

16 Jul 1969

S-II center engine cutoff.

000:07:40.62

13:39:40

16 Jul 1969

S-II maximum total inertial acceleration (1.82 g).

000:07:40.70

13:39:40

16 Jul 1969

S-IC impact (theoretical).

000:09:03.7

13:41:03

16 Jul 1969

S-II outboard engine cutoff.

000:09:08.22

13:41:08

16 Jul 1969

S-II maximum Earth-fixed velocity. S-II/S-IVB separation command.

000:09:09.00

13:41:09

16 Jul 1969

S-IVB 1st burn start command.

000:09:09.20

13:41:09

16 Jul 1969

S-IVB 1st burn ignition.

000:09:12.20

13:41:12

16 Jul 1969

S-IVB ullage case jettisoned.

000:09:21.0

13:41:21

16 Jul 1969

S-II apex.

000:09:47.0

13:41:47

16 Jul 1969

S-IVB 1st burn cutoff.

000:11:39.33

13:43:39

16 Jul 1969

S-IVB 1st burn maximum total inertial acceleration (0.69 g).

000:11:39.41

13:43:39

16 Jul 1969

Earth orbit insertion. S-IVB 1st burn maximum Earth-fixed velocity.

000:11:49.33

13:43:49

16 Jul 1969

Maneuver to local horizontal attitude started.

000:11:59.3

13:43:59

16 Jul 1969

Orbital navigation started.

000:13:21.1

13:45:21

16 Jul 1969

S-II impact (theoretical).

000:20:13.7

13:52:13

16 Jul 1969

S-IVB 2nd burn restart preparation.

002:34:38.2

16:06:38

16 Jul 1969

S-IVB 2nd burn restart command.

002:44:08.2

16:16:08

16 Jul 1969

S-IVB 2nd burn ignition (STDV open).

002:44:16.2

16:16:16

16 Jul 1969

S-IVB 2nd burn cutoff.

002:50:03.03

16:22:03

16 Jul 1969

S-IVB 2nd burn maximum total inertial acceleration (1.45 g).

002:50:03.11

16:22:03

16 Jul 1969

S-IVB 2nd burn maximum Earth-fixed velocity.

002:50:03.5

16:22:03

16 Jul 1969

S-IVB safing procedures started.

002:50:03.8

16:22:03

16 Jul 1969

Translunar injection.

002:50:13.03

16:22:13

16 Jul 1969

Maneuver to local horizontal attitude started.

002:50:23.0

16:22:23

16 Jul 1969

Orbital navigation started.

002:50:23.9

16:22:23

16 Jul 1969

Maneuver to transposition and docking attitude started.

003:05:03.9

16:37:03

16 Jul 1969

CSM separated from S-IVB.

003:15:23.0

16:47:23

16 Jul 1969

CSM separation maneuver ignition.

003:17:04.6

16:49:04

16 Jul 1969

CSM separation maneuver cutoff.

003:17:11.7

16:49:11

16 Jul 1969

CSM docked with LM/S-IVB.

003:24:03.7

16:56:03

16 Jul 1969

CSM/LM ejected from S-IVB.

004:17:03.0

17:49:03

16 Jul 1969

CSM/LM evasive maneuver from S-IVB ignition.

004:40:01.72

18:12:01

16 Jul 1969

CSM/LM evasive maneuver from S-IVB cutoff.

004:40:04.65

18:12:04

16 Jul 1969

S-IVB maneuver to lunar slingshot attitude initiated.

004:41:07.6

18:13:07

16 Jul 1969

S-IVB lunar slingshot maneuver - LH2 tank CVS opened.

004:51:07.7

18:23:07

16 Jul 1969

S-IVB lunar slingshot maneuver - LOX dump started.

005:03:07.6

18:35:07

16 Jul 1969

S-IVB lunar slingshot maneuver - LOX dump ended.

005:04:55.8

18:36:55

16 Jul 1969

S-IVB lunar slingshot maneuver - APS ignition.

005:37:47.6

19:09:47

16 Jul 1969

S-IVB lunar slingshot maneuver - APS cutoff.

005:42:27.8

19:14:27

16 Jul 1969

S-IVB maneuver to communications attitude initiated.

005:42:48.8

19:14:48

16 Jul 1969

TV transmission started (recorded at Goldstone and transmitted to Houston at 011:26).

010:32

00:04

17 Jul 1969

TV transmission ended.

010:48

00:20

17 Jul 1969

Midcourse correction ignition.

026:44:58.64

16:16:58

17 Jul 1969

Midcourse correction cutoff.

026:45:01.77

16:17:01

17 Jul 1969

TV transmission started.

030:28

20:00

17 Jul 1969

TV transmission ended.

031:18

20:50

17 Jul 1969

TV transmission started.

033:59

23:31

17 Jul 1969

TV transmission ended.

034:35

00:07

18 Jul 1969

TV transmission started.

055:08

20:40

18 Jul 1969

CDR and LMP entered LM for initial inspection.

055:30

21:02

18 Jul 1969

TV transmission ended.

056:44

22:16

18 Jul 1969

CDR and LMP entered CM.

057:55

23:27

18 Jul 1969

Equigravisphere.

061:39:55

03:11:55

19 Jul 1969

Lunar orbit insertion ignition.

075:49:50.37

17:21:50

19 Jul 1969

Lunar orbit insertion cutoff.

075:55:47.90

17:27:47

19 Jul 1969

Sighting of an illumination in the Aristarchus region. 1st time, a lunar transient event sighted by an observer

   in space.

 

077:13

 

18:45

 

19 Jul 1969

TV transmission started.

078:20

19:52

19 Jul 1969

S-IVB closest approach to lunar surface.

078:42

20:14

19 Jul 1969

TV transmission ended.

079:00

20:32

19 Jul 1969

Lunar orbit circularization ignition.

080:11:36.75

21:43:36

19 Jul 1969

Lunar orbit circularization cutoff.

080:11:53.63

21:43:53

19 Jul 1969

LMP entered CM for initial power-up and system checks.

081:10

22:42

19 Jul 1969

LMP entered CM.

083:35

01:07

20 Jul 1969

CDR and LMP entered LM for final preparations for descent.

095:20

12:52

20 Jul 1969

LMP entered CM.

097:00

14:32

20 Jul 1969

LMP entered LM.

097:30

15:02

20 Jul 1969

LM system checks started.

097:45

15:17

20 Jul 1969

LM system checks ended.

100:00

17:32

20 Jul 1969

CSM/LM undocked.

100:12:00.0

17:44:00

20 Jul 1969

CSM/LM separation maneuver ignition.

100:39:52.9

18:11:52

20 Jul 1969

CSM/LM separation maneuver cutoff.

100:40:01.9

18:12:01

20 Jul 1969

LM descent orbit insertion ignition (LM SPS).

101:36:14

19:08:14

20 Jul 1969

LM descent orbit insertion cutoff.

101:36:44

19:08:44

20 Jul 1969

LM acquisition of data.

102:17:17

19:49:17

20 Jul 1969

LM landing radar on.

102:20:53

19:52:53

20 Jul 1969

LM abort guidance aligned to primary guidance.

102:24:40

19:56:40

20 Jul 1969

LM yaw maneuver to obtain improved communications.

102:27:32

19:59:32

20 Jul 1969

LM altitude 50,000 feet.

102:32:55

20:04:55

20 Jul 1969

LM propellant settling firing started.

102:32:58

20:04:58

20 Jul 1969

LM powered descent engine ignition.

102:33:05.01

20:05:05

20 Jul 1969

LM fixed throttle position.

102:33:31

20:05:31

20 Jul 1969

LM face-up maneuver completed.

102:37:59

20:09:59

20 Jul 1969

LM 1202 alarm.

102:38:22

20:10:22

20 Jul 1969

LM radar updates enabled.

102:38:45

20:10:45

20 Jul 1969

LM altitude less than 30,000 feet and velocity less than 2,000 feet per second (landing radar velocity update

   started).

 

102:38:50

 

20:10:50

 

20 Jul 1969

LM 1202 alarm.

102:39:02

20:11:02

20 Jul 1969

LM throttle recovery.

102:39:31

20:11:31

20 Jul 1969

LM approach phase entered.

102:41:32

20:13:32

20 Jul 1969

LM landing radar antenna to position 2.

102:41:37

20:13:37

20 Jul 1969

LM attitude hold mode selected (check of LM handling qualities).

102:41:53

20:13:53

20 Jul 1969

LM automatic guidance enabled.

102:42:03

20:14:03

20 Jul 1969

LM 1201 alarm.

102:42:18

20:14:18

20 Jul 1969

LM landing radar switched to low scale.

102:42:19

20:14:19

20 Jul 1969

LM 1202 alarm.

102:42:43

20:14:43

20 Jul 1969

LM 1202 alarm.

102:42:58

20:14:58

20 Jul 1969

LM landing point redesignation.

102:43:09

20:15:09

20 Jul 1969

LM altitude hold.

102:43:13

20:15:13

20 Jul 1969

LM abort guidance attitude updated.

102:43:20

20:15:20

20 Jul 1969

LM rate of descent landing phase entered.

102:43:22

20:15:22

20 Jul 1969

LM landing radar data not good.

102:44:11

20:16:11

20 Jul 1969

LM landing data good.

102:44:21

20:16:21

20 Jul 1969

LM fuel low-level quantity light.

102:44:28

20:16:28

20 Jul 1969

LM landing radar data not good.

102:44:59

20:16:59

20 Jul 1969

LM landing radar data good.

102:45:03

20:17:03

20 Jul 1969

1st evidence of surface dust disturbed by descent engine.

102:44:35

20:16:35

20 Jul 1969

LM lunar landing.

102:45:39.9

20:17:39

20 Jul 1969

LM powered descent engine cutoff.

102:45:41.40

20:17:41

20 Jul 1969

Decision made to proceed with EVA prior to first rest period.

104:40:00

22:12:00

20 Jul 1969

Preparation for EVA started.

106:11:00

23:43:00

20 Jul 1969

EVA started (hatch open).

109:07:33

02:39:33

21 Jul 1969

CDR completely outside LM on porch.

109:19:16

02:51:16

21 Jul 1969

Modular equipment stowage assembly deployed (CDR).

109:21:18

02:53:18

21 Jul 1969

First clear TV picture received.

109:22:00

02:54:00

21 Jul 1969

CDR at foot of ladder (starts to report, then pauses to listen).

109:23:28

02:55:28

21 Jul 1969

CDR at foot of ladder and described surface as “almost like a powder.”

109:23:38

02:55:38

21 Jul 1969

1st step taken lunar surface (CDR). “That’s one small step for a man…one giant leap for mankind.”

109:24:15

02:56:15

21 Jul 1969

CDR started surface examination and description, assessed mobility and described effects of LM descent engine.

109:24:48

02:56:48

21 Jul 1969

CDR ended surface examination. LMP started to send down camera.

109:26:54

02:58:54

21 Jul 1969

Camera installed on RCU bracket, LEC stored on secondary strut of LM landing gear.

109:30:23

03:02:23

21 Jul 1969

Surface photography (CDR).

109:30:53

03:02:53

21 Jul 1969

Contingency sample collection started (CDR).

109:33:58

03:05:58

21 Jul 1969

Contingency sample collection ended (CDR).

109:37:08

03:09:08

21 Jul 1969

LMP started egress from LM.

109:39:57

03:11:57

21 Jul 1969

LMP at top of ladder. Descent photographed by CDR.

109:41:56

03:13:56

21 Jul 1969

LMP on lunar surface.

109:43:16

03:15:16

21 Jul 1969

Surface examination and examination of landing effects on surface and on LM started (CDR, LMP).

109:43:47

03:15:47

21 Jul 1969

Insulation removed from modular equipment stowage assembly (CDR).

109:49:06

03:21:06

21 Jul 1969

TV camera focal distance adjusted (CDR).

109:51:35

03:23:35

21 Jul 1969

Plaque unveiled (CDR).

109:52:19

03:24:19

21 Jul 1969

Plaque read (CDR).

109:52:40

03:24:40

21 Jul 1969

TV camera redeployed. Panoramic TV view started (CDR).

109:59:28

03:31:28

21 Jul 1969

TV camera placed in final deployment position (CDR).

110:02:53

03:34:53

21 Jul 1969

Solar wind composition experiment deployed (LMP).

110:03:20

03:35:20

21 Jul 1969

United States flag deployed (CDR, LMP).

110:09:43

03:41:43

21 Jul 1969

Evaluation of surface mobility started (LMP).

110:13:15

03:45:15

21 Jul 1969

Evaluation of surface mobility end (LMP).

110:16:02

03:48:02

21 Jul 1969

Presidential message from White House and response from CDR.

110:16:30

03:48:30

21 Jul 1969

Presidential message and CDR response ended.

110:18:21

03:50:21

21 Jul 1969

Evaluation of trajectory of lunar soil when kicked (LMP) and bulk sample collection started (CDR).

110:20:06

03:52:06

21 Jul 1969

Evaluation of visibility in lunar sunlight (LMP).

110:10:24

03:42:24

21 Jul 1969

Evaluation of thermal effects of sun and shadow inside the suit (LMP).

110:25:09

03:57:09

21 Jul 1969

Evaluation of surface shadows and colors (LMP).

110:28:22

04:00:22

21 Jul 1969

LM landing gear inspection and photography (LMP).

110:34:13

04:06:13

21 Jul 1969

Bulk sample completed (CDR).

110:35:36

04:07:36

21 Jul 1969

LM landing gear inspection and photography (CDR, LMP).

110:46:36

04:18:36

21 Jul 1969

Scientific equipment bay doors opened.

110:53:38

04:25:38

21 Jul 1969

Passive seismometer deployed.

110:55:42

04:27:42

21 Jul 1969

Lunar ranging retroreflector deployed (CDR).

111:03:57

04:35:57

21 Jul 1969

1st passive seismic experiment data received on Earth.

111:08:39

04:40:39

21 Jul 1969

Collection of documented samples started (CDR/LMP).

111:11

04:43

21 Jul 1969

Solar wind composition experiment retrieved (LMP) .

111:20

04:52

21 Jul 1969

LMP inside LM.

111:29:39

05:01:39

21 Jul 1969

Transfer of sample containers reported complete.

111:35:51

05:07:51

21 Jul 1969

CDR inside LM, assisted and monitored by LMP.

111:37:32

05:09:32

21 Jul 1969

EVA ended (hatch closed).

111:39:13

05:11:13

21 Jul 1969

LM equipment jettisoned.

114:05

07:37

21 Jul 1969

LM lunar liftoff ignition (LM APS).

124:22:00.79

17:54:00

21 Jul 1969

LM orbit insertion cutoff.

124:29:15.67

18:01:15

21 Jul 1969

Coelliptic sequence initiation ignition.

125:19:35

18:51:35

21 Jul 1969

Coelliptic sequence initiation cutoff.

125:20:22

18:52:22

21 Jul 1969

Constant differential height maneuver ignition.

126:17:49.6

19:49:49

21 Jul 1969

Constant differential height maneuver cutoff.

126:18:29.2

19:50:29

21 Jul 1969

Terminal phase initiation ignition.

127:03:51.8

20:35:51

21 Jul 1969

Terminal phase initiation cutoff.

127:04:14.5

20:36:14

21 Jul 1969

LM 1st midcourse correction.

127:18:30.8

20:50:30

21 Jul 1969

LM 2nd midcourse correction.

127:33:30.8

21:05:30

21 Jul 1969

Braking started.

127:36:57.3

21:08:57

21 Jul 1969

Terminal phase finalize ignition.

127:46:09.8

21:18:09

21 Jul 1969

Terminal phase finalize cutoff.

127:46:38.2

21:18:38

21 Jul 1969

Stationkeeping started.

127:52:05.3

21:24:05

21 Jul 1969

CSM/LM docked.

128:03:00

21:35:00

21 Jul 1969

CDR entered CM.

129:20

22:52

21 Jul 1969

LMP entered CM.

129:45

23:17

21 Jul 1969

LM ascent stage jettisoned.

130:09:31.2

23:41:31

21 Jul 1969

CSM/LM final separation ignition.

130:30:01.0

00:02:01

22 Jul 1969

CSM/LM final separation cutoff.

130:30:08.2

00:02:08

22 Jul 1969

Transearth injection ignition (SPS).

135:23:42.28

04:55:42

22 Jul 1969

Transearth injection cutoff.

135:26:13.69

04:58:13

22 Jul 1969

Midcourse correction ignition.

150:29:57.4

20:01:57

22 Jul 1969

Midcourse correction cutoff.

150:30:07.4

20:02:07

22 Jul 1969

TV transmission started.

155:36

01:08

23 Jul 1969

TV transmission ended.

155:54

01:26

23 Jul 1969

TV transmission started.

177:10

22:42

23 Jul 1969

TV transmission ended.

177:13

22:45

23 Jul 1969

TV transmission started.

177:32

23:04

23 Jul 1969

TV transmission ended.

177:44

23:16

23 Jul 1969

CM/SM separation.

194:49:12.7

16:21:12

24 Jul 1969

Entry.

195:03:05.7

16:35:05

24 Jul 1969

Drogue parachute deployed

195:12:06.9

16:44:06

24 Jul 1969

Visual contact with CM established by aircraft.

195:07

16:39

24 Jul 1969

Radar contact with CM established by recovery ship.

195:08

16:40

24 Jul 1969

VHF voice contact and recovery beacon contact established.

195:14

16:46

24 Jul 1969

Splashdown (went to apex-down).

195:18:35

16:50:35

24 Jul 1969

CM returned to apex-up position.

195:26:15

16:58:15

24 Jul 1969

Flotation collar inflated.

195:32

17:04

24 Jul 1969

Hatch opened for crew egress.

195:49

17:21

24 Jul 1969

Crew egress.

195:57

17:29

24 Jul 1969

Crew aboard recovery ship.

196:21

17:53

24 Jul 1969

Crew entered mobile quarantine facility.

196:26

17:58

24 Jul 1969

CM lifted from water.

198:18

19:50

24 Jul 1969

CM secured to quarantine facility.

198:26

19:58

24 Jul 1969

CM hatch reopened.

198:33

20:05

24 Jul 1969

Sample return containers 1 and 2 removed from CM.

200:28

22:00

24 Jul 1969

Container 1 removed from mobile quarantine facility.

202:00

23:32

24 Jul 1969

Container 2 removed from mobile quarantine facility.

202:33

00:05

25 Jul 1969

Container 2 and film flown to Johnston Island.

207:43

05:15

25 Jul 1969

Container 1 flown to Hickam Air Force Base, Hawaii.

214:13

11:45

25 Jul 1969

Container 2 and film arrived in Houston, TX.

218:43

16:15

25 Jul 1969

Container 1, film, and biological samples arrived in Houston.

225:41

23:13

25 Jul 1969

CM decontaminated and hatch secured.

229:28

03:00

26 Jul 1969

Mobile quarantine facility secured.

231:03

04:35

26 Jul 1969

Mobile quarantine facility and CM offloaded.

250:43

00:15

27 Jul 1969

Safing of CM pyrotechnics completed.

252:33

02:05

27 Jul 1969

Mobile quarantine facility arrived at Ellington AFB, Houston.

280:28

06:00

28 Jul 1969

Crew in Lunar Receiving Laboratory, Houston

284:28

10:00

28 Jul 1969

CM delivered to Lunar Receiving Laboratory.

345:45

23:17

30 Jul 1969

Passive seismic experiment turned off.

430:26:46

11:58:46

03 Aug 1969

Crew released from quarantine.

 

 

10 Aug 1969

CM delivered to contractor’s facility in Downey, CA.

 

 

14 Aug 1969

EASEP turned off by ground command.

 

 

27 Aug 1969

 

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