Seconds to HH:MM:SS

Format an integer number of seconds as a zero-padded HH:MM:SS clock string, including hours beyond 24 when the duration is long.

Language: Ruby

Added on: 18^th August 2026

Submitted by: Lupraxus

def seconds_to_hms(sec)
  [sec / 3600, sec / 60 % 60, sec % 60].map { |t| t.to_s.rjust(2, '0') }.join(':')
end