1 2 3 4 5 6 7 8 9 10 11 12
'morning',0000,1200 'afternoon',1200,1800 'evening',1800,2000 'day',600,1800 'night',1800,2400 'night',000,600 'early morning',0000,800 'mid-morning',800,1000 'late morning',1000,1200 'early afternoon',1200,1400 'mid-afternoon',1400,1600 'late afternoon',1600,1800