What do the T and Z mean in this time code?

What do the T and Z mean in this time code?
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#1

2018-03-11T17:30:30Z

I know the date is on the left followed by the time in 24h format, but what do the letters T and Z stand for here?


#2

What generated this date? The T marks where the time portion of the date starts. The Z stands for Zulu Time Zone (UTC).


#3

Thanks for the answer! Nothing directly from FCC generated it, but I was working on the Twitch API challenge with the new helix API they rolled out and it is part of the JSON payload you get from it.


#4

Actually, I just realized the FCC Twitch API clone generates this type of date too:

https://wind-bow.glitch.me/twitch-api/users/freecodecamp

{“display_name”:“FreeCodeCamp”,"_id":79776140,“name”:“freecodecamp”,“type”:“user”,“bio”:“We help you learn to code, then practice by building projects for nonprofits. Learn Full-stack JavaScript, build a portfolio, and get a coding job by joining our open source community at https://freecodecamp.com”,“created_at”:“2015-01-14T03:36:47Z”,“updated_at”:“2018-03-11T23:36:55Z”,“logo”:“https://static-cdn.jtvnw.net/jtv_user_pictures/freecodecamp-profile_image-d9514f2df0962329-300x300.png","_links":{“self”:"https://api.twitch.tv/kraken/users/freecodecamp”}}