Portion of Time

Time conversions:

60 seconds = 1 minute
60 minutes = 1 hour
24 hours = 1 day
7 days = 1 week
12 months = 1 year
52 weeks = 1 year
365 days = 1 year (366 for leap year)
10 years = 1 decade
100 years = 1 century
1000 years = 1 millennium

Conversion rule:
Large to small: Multiply
Small to large: Divide
Quick tips for solving 'portions of time' problems:
Start by thinking about the time conversion.
Remember that "of" means multiplication.
Ask yourself at the end "Does my answer make sense?" If it doesn't make sense, you probably did something wrong.