1. Time: century, year, season, month, week, day, night, hour, quarter, minute, second.
2. Seasons: spring, summer, autumn, winter.
3. Months: January, February, March, April, May, June, July, August, September, October, November, December.
4. Week: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.
5. Days: the day before yesterday, yesterday, today, tomorrow, the day after tomorrow.
6. day and night: dawn, morning, noon, afternoon, evening, mid-night.