Periods of Time

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Across
  1. 3. We are currently living in the 21st_______.
  2. 4. A______year has 366 days.
  3. 5. An______is a period of 60 minutes.
  4. 8. A______ consists of ten years.
  5. 9. A hour lasts for 60_______.
  6. 10. There are 12______in a year.
Down
  1. 1. The period from the year 1000 to the year 2000 is_______.
  2. 2. There are sixty ______in a minute.
  3. 6. There are 24 hours in a______.
  4. 7. In the US, a______starts on a Sunday.