nelson + time   55

Riyadh solar time
Best description I can see of the wacky timezone experiment where 00:00 was defined as "time of sunset in Riyadh"
timezones  time  saudi  tootme  riyadh  pytz  tzinfo 
5 weeks ago by nelson
Precision Time Protocol
Microssecond-level synchronization of time on a local network
time  ntp  ptp  spanner  truetime  ieee1588  tootme 
september 2018 by nelson
NTP replacement that synchronizes to 10s of nanoseconds
ntp  time  networks  synchronization  google 
july 2018 by nelson
Amazon Time Service
NTP for AWS. Does leap smearing, recommends chrony
ntp  amazon  time  synchronization  leapsecond  chrony 
november 2017 by nelson
Time Well Spent
Consumer interest group pushing back against advertising and tech companies stealing our attention
time  attention  ethics  advertising  mobile  ads 
november 2017 by nelson
2038 problem
Details of efforts to fix a 32 bit limitation in Linux before 21 years goes by
linux  software  time  posix 
march 2017 by nelson
Leap second postmortem
Cloudflare code failed when time went backwards
time  ntp  cloudflare  leapsecond 
january 2017 by nelson
Leap second in Redhat
Details of Linux options for leap seconds
leapsecond  time  ntp  redhat  linux 
january 2017 by nelson
Best practices for NTP servers; security, etc
ntp  time  securitytheater 
november 2016 by nelson
A new NTP implementation, development seems to have stalled
ntp  time  ntpd  security 
september 2015 by nelson
Alternative NTP implementation particularly suited for not-always-connected systems
ntp  time  linux 
june 2015 by nelson
AWS leap second plan
Some services are smearing the second over 24 hours, some are going to simply add it all at once
aws  amazon  time  ntp 
may 2015 by nelson
There is No Now
Nice simple paper about problems of time synchronization
via:metafilter  distributed  ntp  time  systems 
march 2015 by nelson
Notes on rolling your own GPS-driven accurate clock
gps  ntp  time 
march 2015 by nelson
PHK on Time
Notes from a guy rewriting ntpd from scratch
ntp  time  programming  opensource  phk  ntimed 
march 2015 by nelson
NTP funding
Maintainer of NTP looking for more funding
time  ntp  opensource  via:metafilter 
march 2015 by nelson
NTP vulnerabilities
Several significant security flaws in timekeeping software
security  badtech  ntp  time 
december 2014 by nelson
DIY multi-sundial
Nice little papercraft project for making an accurate timepiece
sundial  time  via:metafilter  papercraft 
july 2014 by nelson
right+GPS time zone
Alternate approach to handling leap seconds
time  ntp  leapsecond 
february 2014 by nelson
Time Doge of the year
such year
much person
funny  doge  time 
december 2013 by nelson
Big Ben time corrections
A map showing how to adjust time based on the speed of sound form the Big Ben chimes
timekeeping  time  bigben  maps  london 
september 2013 by nelson
Equation of time
Solar noon drifts from day to day
time  clock  analemma 
may 2013 by nelson
Linux leap second bug
Kernel doesn't handle the leap second adjustment correctly
linux  kernel  ntp  bug  leapsecond  time  via:hackernews 
june 2012 by nelson
tzinfo safe!
EFF gets a stupid lawsuit dismissed
timezone  time  eff  software  freedom  via:hackernews 
february 2012 by nelson
A list of automated Twitter accounts posting the time
twitter  time  soundofthetone  swatch 
january 2012 by nelson
Epoch Converter
Simple convertor for Unix timestamps
timestamp  time  unix  epoch  posix  converter  timezone 
december 2011 by nelson
timezone shapefile
Geodatabase of time zones. Remarkably complex
timezone  time  map  shapefile  geo 
november 2011 by nelson
Timezone DB debacle
Bogus copyright claim screws an important database
Copyright  time  Olson  tzinfo 
october 2011 by nelson
Leap smear
Google manages leap seconds with clock slewing
time  google  ntp  hack 
september 2011 by nelson
timezone appreciation
Nice examples of erudition in the time zone database
olson  timezone  time  unix 
february 2011 by nelson
Timezone database future
The Timezone database maintainer is retiring; what happens to all the work he's done?
timezones  time  internet  software  via:raffi 
february 2011 by nelson
Self-destructing encryption, for making data disappear after several hours/days. The decryption key is scattered across many peers and disintegrates over time
encryption  selfdestructing  security  code  time 
july 2009 by nelson
Hacking the Time poll
The 4chan nerds actually typed 30 captchas / minute.
poll  captcha  recaptcha  time  4chan  anonymous 
april 2009 by nelson
NTP abuse
Roundup of some NTP server problems over time
ntp  abuse  badtech  firmware  computers  internet  time 
september 2007 by nelson
Riyadh solar time
Python timezone database gave up trying to cope with a weird time zone definition tried in Saudi Arabia for three years
saudiarabia  law  timezone  time  tzinfo  database  unix  python  pytz  via:raffi 
august 2007 by nelson
Historical maps
Google Earth publishes some old maps; very cool
map  google  googleearth  cool  maps  googlemaps  time  earth  geography  tools  history  nelson:autotagged 
november 2006 by nelson
6 years of self photos
The music on this is very nice (via Populicious)
media  art  interesting  photo  photography  youtube  video  time  fun  film  cool  nelson:autotagged 
september 2006 by nelson
Travel time maps
Fantastic transportation visualization (via Kottke)
visualization  gis  uk  map  travel  mapping  maps  london  visualisation  time  transport  nelson:autotagged 
may 2006 by nelson
High dynamic time range photography
Combining exposures taken across a day into a single image
howto  photoshop  hdr  photo  photography  dynamic  photos  hdtr  time  tutorial  cool  nelson:autotagged 
february 2006 by nelson
Clock of the Long Now
nice update on the project, with photos (via Slashdot)
science  art  clock  interesting  future  design  time  article  history  technology  cool  nelson:autotagged 
october 2005 by nelson
WorldTime WinXP
Too many features, but a reasonable way to display multiple timezones on your desktop
computing  windows  clock  utilities  daily  desktop  freeware  clocks  time  timezone  software  nelson:autotagged 
august 2005 by nelson
simple beautiful clock (via Metafilter)
art  clock  timeline  flash  animation  design  time  fun  calendar  tools  cool  nelson:autotagged 
august 2005 by nelson
Calendar design
Nicely explained (via Metafilter, I think)
wheel  image  moon  design  lunar  visualisation  time  2006  calendar  astronomy  cool  nelson:autotagged 
december 2004 by nelson
radio clock for most of North America
time  ham-radio  standard  nelson:autotagged 
july 2004 by nelson
LeapSecond time geek
One man's quest for building perfect clocks
metrology  reference  clock  ntp  internet  geek  clocks  time  gps  obsess  cool  nelson:autotagged 
july 2004 by nelson
Review of a book that praises people having a bit of free time in their workdsays (Kevin Kelly -- Cool Tools)
development  management  slack  business  time  efficiency  books  innovation  book  demarco  cool  nelson:autotagged 
march 2004 by nelson

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