User Manual

 send command AT+CCLK="<time>"<cr>

where:

<time> - current time as quoted string in the format : "yy/MM/dd,hh:mm:ss±zz"

yy - year (two last digits are mandatory), range is 00..99

MM - month (two last digits are mandatory), range is 01..12

dd - day (two last digits are mandatory), range is 01..31 (if the month MM has less than 31

days, the clock will be set for the next month)

hh - hour (two last digits are mandatory), range is 00..23

mm - minute (two last digits are mandatory), range is 00..59

ss - seconds (two last digits are mandatory), range is 00..59

±zz - time zone (indicates the difference, expressed in quarter of an hour, between the local

time and GMT; two last digits are mandatory), range is -47..+48

Note: If the parameter is omitted the behavior of Set command is the same as Read command.

 wait for response OK

Remember that the string time has to be encapsulated in double brackets.

The time will start immediately after the time setting command.

For example:

1- Let us assume you want to regulate your clock to 7 November 2002 at 12h 24m 30s for the

time zone +01h central Europe:

Command

AT+CCLK="02/11/07,12:24:30+04"<cr>

Response:

In this case, the time was successfully set.

 send command AT+CCLK?<cr>

 wait for response in the format:

+CCLK: <time>