- '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