User guide

3GPP TS 27.007 AT COMMANDS
69 AT Commands for EV-DO-EV3 Modems
Clock Management +CCLK
Set command sets the real-time clock of the ME.
Read command returns the current setting of the real-time clock, in the format <time>.
Test command returns the OK result code.
Syntax
Command Command type
AT+CCLK=<time> Set
AT+CCLK? Read
AT+CCLK=? Test
Parameters and Values
<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.
The range for dd(day) depends on the month and year it refers to. Available
ranges are:
(01-28)
(01-29)
(01-30)
(01-31)
Trying to enter an out of range value raises an error.
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 to +48.
Example
AT+CCLK="02/09/07,22:30:00+00"
OK
AT+CCLK?
+CCLK: 02/09/07,22:30:25
OK