When manually assigning a status, you are required to specify when and for how long you want it to be applied: start date and time and end date and time.
Starting Now: Select this option to make the status effective immediately. The From field will be automatically set to the current date and time.
Schedule: Select this option to specify the beginning and end date of the status. When selecting this option, a new field will appear in which you must enter a descriptive name for the new special event that will be added into your schedules.
From: Enter the date and time when the status becomes active (format YYYY/MM/DD HH:mm). Alternatively, click the calendar icon to select a date using the wizard.
Until: Enter the date and time when the status become inactive (format YYYY/MM/DD HH:mm). Click the calendar icon to select a date using the wizard.