Date and time settings :: 127Setting date and time formatsYou can use Formats Preferences to choose number conventions based ongeographic regions. For example, in the United Kingdom, time is expressed using a24-hour clock. In the United States, time is expressed using a 12-hour clock with anAM or PM suffix. All the built-in applications on your Treo use the Format Preferencessettings.1. Press Applications Launcher .2. Choose the pick list in the upper-right corner, and then select All.3. Choose the Prefs icon.4. Choose the pick list in the upper-right corner, and then select Formats.5. Set any of the following preferences:• Preset to: The standard number conventions for your country. When you selecta country, the other Formats Preferences are automatically set to that country’sconventions. You can also edit each option individually.• Time: The time format. Select HH:MM to display a 24-hour clock.• Date: The date format.• Week starts: The first day of the week (usually Sunday or Monday).6. Numbers: The format for numbers with decimal points and commas.The Week starts settingcontrols the Day, Week,Month, Year, and List viewsin Calendar and all otheraspects of your phone thatdisplay a calendar.