/Time Data

Hate Leap Seconds? Imagine A Negative One

- Randy Au tl;dr: Earth's rotation, relative to the fixed stars, has sped up and is predicted to continue to do so. Although there are no immediate implications, if it continues over a sustained period of time, we might find ourselves having to consider a negative leap second, as explained here.

featured in #282


The Largely Untold Story Of How One Guy In California Keeps The World’s Computers Running On The Right Time Zone. (Well, Sort Of)

- Daniel Rosehill tl;dr: "Brief odyssey into the esoteric world of the tight-knit time zone data maintenance community who quietly keep the world’s computers from avoiding DST-related-meltdowns."

featured in #264


Exploring 120 Years Of Timezones

tl;dr: Since the rules for timezones are constantly in change, this post visualizes the increasing complexities of dealing with time related data.

featured in #253


Falsehoods Programmers Believe About Time Zones

- Zain Rizvi tl;dr: UTC offsets go from -12 to +12, every UTC offset corresponds to exactly one time zone, there are more countries in the world than time zones, and more.

featured in #212


Building A More Accurate Time Service At Facebook Scale

- Zoe Talamantes Oleg Obleukhov tl;dr: How FB improved accuracy from 10 milliseconds to 100 microseconds and verified these results in our timing laboratory.

featured in #177


Pendulum

- Sébastien Eustace tl;dr: When facing complex use-cases, "datetime instances show limitations" and are not intuitive. Pendulum provides "a cleaner and more easy to use API."

featured in #170