Introduction to World Time Pro

World Time Pro is an easy way to add, subtract, multiply and divide units of time. Adding and subtracting hours, minutes and seconds can be tricky - there are 60 minutes in an hour, but how many minutes are in 5.75 hours? World Time Pro quickly and accurately solves this and any other time-related problems for you.

Using World Time Pro, you can:

• add, subtract, multiply or divide periods of time
• convert large numbers of minutes or seconds to hours
• convert time in fractions to time in hours, minutes and seconds
• calculate the day of the week that a particular date falls on
• convert to and from military time

World Time Pro also features easy-to-use Help and a troubleshooting section to ensure that you're up and calculating in no time!

This Sample Help System was written in DITA by Heather Wymer, Swinburne University of Technology, and is licensed under a Common Public License.

• Calculating time
  This topic describes how to use the World Time Pro to add, subtract, multiply and divide units of time.
• Using the Fraction Converter
  This topic describes how to use the Fraction Converter to convert decimal time into time expressed as hours, minutes and seconds.
• Using the Fraction Creator
  This topic describes how to use the Fraction Creator to turn time expressed as hours, minutes and seconds into a length of time expressed as a decimal.
• Using the Date Analysis Engine
  This topic describes how to use the Date Analysis Engine to calculate what day of the week a specific date is.
• Converting to or from military time
  This topic describes how to convert military time to standard time, or standard time to military time.
• Troubleshooting
  This topic describes some basic tips to help you correctly install World Time Pro.
• Where to buy World Time Pro
  This topic explains where to buy World Time Pro.