1) High noon 2) Hour 3) Lunch period, for many 4) Lunchtime 5) Lunchtime for some 6) Lunchtime, for many 7) Lunchtime, typically 8) Meridian time 9) Midday 10) Noon 11) Noontide 12) The middle of the day 13) Time of day 14) Twelve 15) Twelve noon 16) When shadows are shortest 17) When the sun is highest Found on https://www.crosswordclues.com/clue/noonday
• (a.) Of or pertaining to midday; meridional; as, the noonday heat. • (n.) Midday; twelve o`clock in the day; noon. • (n.) Midday; twelve o`clock in the day; noon. • (a.) Of or pertaining to midday; meridional; as, the noonday heat. Found on http://thinkexist.com/dictionary/meaning/noonday/
Noon'day` adjective Of or pertaining to midday; meridional; as, the noonday heat. ' Noonday walks.' Addison. Found on http://www.encyclo.co.uk/webster/N/33