If a volunteer knows what times they will be available. You can set them up under the Time Available Tab.

button.

You can choose whether the time being entered is time that the volunteer is available or whether there is a conflict. If it is a conflict time, then a to and from window will appear next.
button to proceed.

button.

button.

button.
For available times these times will be the time of day. Whereas with conflict dates they will be actual dates i.e. month, day, year.

button.
The new times will be displayed under the tab.

This will allow you to enter a single record of either available or conflicting time.
button on the Times
Available Tab.

button to finish creating
the new record.