Hacker News new | ask | show | jobs
by tempodox 3809 days ago 

  date -u +'%FT%H:%M:%S %Z'
1 comments
Zash 3809 days ago 

    date -u +%FT%TZ
:)
link
zimpenfish 3809 days ago 

    date -uIs
Shorter but sadly not RFC3339 compliant although it is ISO8601 compliant.
link