i gasdøgn D-1 stiller transmissionssystemoperatøren en prognose for deres ikke-døgnaflæste udtræk for gasdøgn D til rådighed for netbrugerne senest kl. 12.00 UTC (normaltid) eller kl. 11.00 UTC (sommertid)
on gas day D-1, the transmission system operator shall provide network users with a forecast of their non daily metered off-takes for gas day D no later than 12:00 UTC (winter time) or 11:00 UTC (daylight saving);