Most of Texas is in the Central Time Zone - Select: (GMT-06:00) Central Time (US & Canada).In the box above the map, click the drop-down arrow, and then click your current time zone. To change your time zone, click the Time Zone tab.To change the AM/PM indicator, select it, and then click the arrows.To change the seconds, double-click the seconds, and then click the arrows to increase or decrease the value.To change the minutes, double-click the minutes, and then click the arrows to increase or decrease the value.To change the hour, double-click the hour, and then click the arrows to increase or decrease the value.
First, check the correct time for your time zone at To change your computer's time and time zone in Microsoft Windows: