Shortcut name: The name of the new custom time shortcut.
Based on: Select to base the new shortcut in an existent time shortcut, this will set the screen option to the selected shortcut options, allowing to change only what the desired options.
Left selection frame: Set the custom time range beginning, being the first box the day, the second the month and the third the year.
Right selection frame: Set the custom time range end, being the first box the day, the second the month and the third the year.
Fix: Sets if the selection will be static (On) or relative (Off) to the current date.
Plus and Minus: Change the day, month and year values.