Author Topic: What date was the moon landing?  (Read 902 times)

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Offline Circlotron

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What date was the moon landing?
« on: June 11, 2019, 01:10:16 pm »
Everybody says it was 20th July 1969, but here in Australia I seem to remember it was the 21st, not 20th. Seeing this event happened away from the surface of the earth, not at a particular location on earth and hence time zone, how would you define the date and time?
 

Offline StillTrying

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Re: What date was the moon landing?
« Reply #1 on: June 11, 2019, 01:33:46 pm »
"how would you define the date and time?"

By your local time of course, there are advantages living on the 0 time line, :) although most people in the UK still don't know day it is.

the Apollo Lunar Module Eagle on July 20, 1969, at 20:17 UTC. Armstrong became the first person to step onto the lunar surface six hours later on July 21 at 02:56:15 UTC.
CML+  That took much longer than I thought it would.
 

Offline Circlotron

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Re: What date was the moon landing?
« Reply #2 on: June 11, 2019, 01:38:35 pm »
Okay... so they landed on the 20th and went walkies on the 21st. Maybe that's what caused some of the confusion.
 

Offline soldar

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Re: What date was the moon landing?
« Reply #3 on: June 11, 2019, 01:52:04 pm »
In this day and age of global communications time zones are an anachronism we should get rid of.

That or let's say it is now December in Australia and they are getting ready to celebrate Christmas.
All my posts are made with 100% recycled electrons and bare traces of grey matter.
 
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Offline Sal Ammoniac

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Re: What date was the moon landing?
« Reply #4 on: June 11, 2019, 04:28:52 pm »
I would define the date/time of the landing as Central Daylight Time (CDT) as that was the time in Houston, the home of Mission Control.
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Offline apis

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Re: What date was the moon landing?
« Reply #5 on: June 11, 2019, 05:14:34 pm »
In this day and age of global communications time zones are an anachronism we should get rid of.
.beat time:)
 

Offline m98

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Re: What date was the moon landing?
« Reply #6 on: June 11, 2019, 05:26:31 pm »
Aviation and Spaceflight are always timed in UTC.
 

Online Benta

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Re: What date was the moon landing?
« Reply #7 on: June 11, 2019, 06:59:47 pm »
Aviation and Spaceflight are always timed in UTC.

Problem: UTC was introduced in 1972. GMT might be a better answer.
 

Offline windsmurf

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Re: What date was the moon landing?
« Reply #8 on: June 11, 2019, 07:38:28 pm »
In this day and age of global communications time zones are an anachronism we should get rid of.

That or let's say it is now December in Australia and they are getting ready to celebrate Christmas.

...and Daylight Saving Time....  |O
 

Offline apis

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Re: What date was the moon landing?
« Reply #9 on: June 11, 2019, 07:48:41 pm »
The European parliament have voted to scrap daylight saving time from 2021.  ^-^
 

Offline soldar

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Re: What date was the moon landing?
« Reply #10 on: June 11, 2019, 08:36:12 pm »
The European parliament have voted to scrap daylight saving time from 2021.  ^-^
About time too! It created problems for no useful purpose.
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Offline james_s

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Re: What date was the moon landing?
« Reply #11 on: June 11, 2019, 11:15:18 pm »
I find time zones to be convenient, but DST serves no useful purpose at all and I hate it. Twice a year I feel jetlagged for several days after it changes. An hour doesn't sound like much but it sure wreaks havoc with my internal clock.
 

Offline EEVblog

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Re: What date was the moon landing?
« Reply #12 on: June 12, 2019, 01:10:25 am »
This is important to me because I plan on being somewhere at that exact time 50 years later ;D
I haven't checked the actual local time equivalent yet, guess I'd better do that...

EDIT:

Sunday midday for the first steps  :phew:
https://www.timeanddate.com/worldclock/fixedtime.html?msg=First+Steps&iso=20190721T025615&p1=1440

Touchdown is 6am Sydney time
https://www.timeanddate.com/worldclock/fixedtime.html?iso=20190720T2017
« Last Edit: June 12, 2019, 01:15:56 am by EEVblog »
 

Online TheSteve

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Re: What date was the moon landing?
« Reply #13 on: June 12, 2019, 01:28:16 am »
This is important to me because I plan on being somewhere at that exact time 50 years later ;D
I haven't checked the actual local time equivalent yet, guess I'd better do that...

EDIT:

Sunday midday for the first steps  :phew:
https://www.timeanddate.com/worldclock/fixedtime.html?msg=First+Steps&iso=20190721T025615&p1=1440

Touchdown is 6am Sydney time
https://www.timeanddate.com/worldclock/fixedtime.html?iso=20190720T2017

I predict you'll be at the Parkes Observatory.
VE7FM
 

Offline Psi

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Re: What date was the moon landing?
« Reply #14 on: June 12, 2019, 01:32:33 am »
It happened on the moon, so only ELT is relevant.  Earth Lunar Time
 :-DD
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Offline Sal Ammoniac

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Re: What date was the moon landing?
« Reply #15 on: June 12, 2019, 01:52:46 am »
I remember the landing and the walk very well. I was a nine-year-old and I watched it all live on TV. One of my first memories is watching the launch of the first Gemini mission on my fifth birthday. I saw all subsequent launches up until well into the shuttle era when it started getting routine.
Complexity is the number-one enemy of high-quality code.
 

Offline EEVblog

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Re: What date was the moon landing?
« Reply #16 on: June 12, 2019, 03:53:29 am »
This is important to me because I plan on being somewhere at that exact time 50 years later ;D
I haven't checked the actual local time equivalent yet, guess I'd better do that...

EDIT:

Sunday midday for the first steps  :phew:
https://www.timeanddate.com/worldclock/fixedtime.html?msg=First+Steps&iso=20190721T025615&p1=1440

Touchdown is 6am Sydney time
https://www.timeanddate.com/worldclock/fixedtime.html?iso=20190720T2017

I predict you'll be at the Parkes Observatory.

I predict you are wrong.
 

Online TheSteve

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Re: What date was the moon landing?
« Reply #17 on: June 12, 2019, 04:20:37 am »
This is important to me because I plan on being somewhere at that exact time 50 years later ;D
I haven't checked the actual local time equivalent yet, guess I'd better do that...

EDIT:

Sunday midday for the first steps  :phew:
https://www.timeanddate.com/worldclock/fixedtime.html?msg=First+Steps&iso=20190721T025615&p1=1440

Touchdown is 6am Sydney time
https://www.timeanddate.com/worldclock/fixedtime.html?iso=20190720T2017

I predict you'll be at the Parkes Observatory.

I predict you are wrong.

Gotta admit it was at least a good guess :)
VE7FM
 


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