How to change time, day on ge 29875GE1-B answer machine?

Press and hold the STOP/SET button for two seconds, then release to access the set-up menu. The time/date setting follows the language.

The full details are in the "Changing the Settings" section of the manual (page 10 in my copy). If you need a copy of the manual, you can download one at
http://www.home-electronics.net/ge/pc/IB/29875GE1_IB.pdf

Press and hold the STOP/SET button for two seconds to access the setup menu. Full instructions are in the "Changing the Settings" section beginning on page 10 of the manual at
http://www.home-electronics.net/USER-GUIDES/29875_DOM_EN_AN_IB.pdf

Press and hold CLOCK until the message window displays C, and the default day is announced.
To change the day setting, press MEMO/REPEAT or ANNC/SKIP until the correct day is announced.
Press CLOCK. The current hour setting is announced. The correct day setting is saved.
To change the hour setting, press MEMO/REPEAT or ANNC/SKIP until the correct hour is announced.
Press CLOCK. The current minute setting is announced. The correct hour setting is saved.
To change the minute setting, press MEMO/REPEAT or ANNC/SKIP until the correct minute is announced.
Press CLOCK. The current year setting is announced. The correct minute setting is saved.
To change the year setting, press MEMO/REPEAT or ANNC/SKIP until the correct year is announced.
Press CLOCK. The new day, time and year are saved. The correct year setting is saved.

To check the clock, press CLOCK.

The above is from page 5 of the manual at
http://att.vtp-media.com/ecp/documents/product_Product/223/UserManual/944/1739_manual.pt2_i6.pdf

Follow the instructions beginning on page 10 of the manual.

Go to ge.com telephones and click on manuals under support

Setting the Clock
You’ll need to set the clock so that it can
announce the day and time that each
message is received. Press Play/stop to exit
Setting the Clock at any time.
1 Press and hold Clock until the
Message Window displays C, and the
default day is announced.
2 To change the day setting, hold down memo/repeat
or ANNC/Skip until the
correct day is announced. Then
release the button.
3 Press and release Clock. The current
hour setting is announced.
4 To change the hour setting, hold down memo/repeat
or ANNC/Skip until the
correct hour is announced. Then
release the button.
5 Press and release Clock. The current
minutes setting is announced.
6 To change the minutes setting, hold
down memo/repeat or ANNC/skip until the
correct minutes setting is announced.
Then release the button.
7 Press and release C. The new day
and time are announced.
To check the clock, press and release
Clock.
NOTE: In the event of a power failure,
see the instructions on the bottom of the
unit to reset the clock.
Record a memo /
Repeat all or part of a message


I hope this helps! here is the URL to the information provided

http://telephones.att.com/docMgt/public/art/162/1717_manual.pdf

You’ll need to set the clock so that it can
announce the day and time that each
message is received. Press "Play/Stop" to exit
Setting the Clock at any time.
1 Press and hold "Clock" until the
Message Window displays C, and the
default day is announced.
2 To change the day setting, hold down
"Memo/Repeat" or "ANNC/SKIP" until the
correct day is announced. Then
release the button.
3 Press and release "Clock". The current
hour setting is announced.
4 To change the hour setting, hold down
"Memo/Repeat"or "ANNC/SKIP" until the
correct hour is announced. Then
release the button.
5 Press and release "CLOCK". The current
minutes setting is announced.
6 To change the minutes setting, hold
down "Memo/Repeat" or "ANNC/SKIP" until the
correct minutes setting is announced.
Then release the button.
7 Press and release "CLOCK". The new day
and time are announced.
To check the clock, press and release
"Clock".

Here's the link where you can download the manual.

http://telephones.att.com/telephones_ui/support/dsp_manual.cfm?manualID=162

I think it will be easier for you to read their directions than for me to try to explain this.

I hate to beg, but so many people don't rate solutions. We don't get paid for this we just like trying to help. If you found this information helpful I hope you'll take a moment to rate this solution.

hold down the greetings button and speak when it beeps

Setting the Clock
You’ll need to set the clock so that it can
announce the day and time that each
message is received. Press P to exit
Setting the Clock at any time.
1 Press and hold C until the
Message Window displays C, and the
default day is announced.
2 To change the day setting, hold down
or until the
correct day is announced. Then
release the button.
3 Press and release C. The current
hour setting is announced.
4 To change the hour setting, hold down
or until the
correct hour is announced. Then
release the button.
5 Press and release C. The current
minutes setting is announced.
6 To change the minutes setting, hold
down or until the
correct minutes setting is announced.
Then release the button.
7 Press and release C. The new day
and time are announced.
To check the clock, press and release
C.
NOTE: In the event of a power failure,
see the instructions on the bottom of the
unit to reset the clock.