Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

There are:
days in a year
months in a year
weeks in a year
days in a week
weeks in a fortnight
hours in a day
minutes in an hour
seconds in a minute
years in a century