System Time (#103) Use this feature to set the time that appears on system display telephones. Enter the time in 24-hour notation. In this scheme, the hours of the day are 0000 (12 midnight) to 2359 (11:59 p.m.). Since each time must have four digits, use leading zeros when necessary. The time appears on system display phones as a.m. or p.m. (not in 24-hour notation). To change the System Time: Press feature +(00)+(left intercom)+(left intercom)+#103 at extension 10 or 11. Enter a new time in 24-hour notation. For example, to set the time to 2:15 p.m., press 1415. A display similar to the following appears: System Time Data 1415 This time appears on system display phones as 2:15 p. Select another procedure, or exit programming mode.