Setting the time (by 3 users)

At extension 1
press Program (mute light turns on)
press Transfer (mute light flashes)
dial "38"
enter 2 digit year, i.e. "08"
enter 2 digit month, i.e. "05" = May
enter 2 digit day, "01" = first of the month
"31" = last day of the month
enter 1 digit day of the week
1=Sun, 2=Mon, 3=Tue, 4=Wed, 5=Thu, 6=Fri, 7=Sat
enter 2 digit hour in 24-hour format
00=midnight
01=1 AM
13=1 PM etc
enter 2 digit minute from "00" to "59"
press MUTE.
You will hear a single confirmation beep. If not, you did something wrong. Start again from the top.