DAY AND NIGHT

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Across
  1. 2. the time in every 24-hour period when it is dark
  2. 6. one of the 60 parts that an hour is divided into, consisting of 60 seconds
  3. 7. the period between the time when the sun rises and the time it goes down, or the part of the day that is neither evening nor night
  4. 9. a period of 60 minutes
Down
  1. 1. the star that provides light and heat for the earth
  2. 3. the part of existence that is measured in minutes, days, years, etc., or this process considered as a whole
  3. 4. a period of about four weeks, especially one of the twelve periods into which a year is divided
  4. 5. a period of twelve months, especially from 1 January to 31 December
  5. 7. a period of 24 hours, especially from twelve o'clock one night to twelve o'clock the next night
  6. 8. the round object that moves in the sky around the earth and can be seen at night