Do you kwow how to generate ISO 8601 dates in Emacs Lisp?

October 03, 2023

(format-time-string "%FT%T%z") ;; "2023-10-03T18:35:07+0200"
(format-time-string "%FT%T%z" nil "UTC") ;; "2023-10-03T16:35:38+0000"

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