AT Commands Reference Guide
80529ST10815A Rev.2– 2017-09-14
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#NITZ - Network Timezone
1..15 - as a sum of:
1 - enables automatic date/time updating
2 - enables Full Network Name applying (not supported by LE)
4 - it sets the #NITZ URC ‘extended’ format (see <datetime> below)
8 - it sets the #NITZ URC ‘extended’ format with Daylight Saving Time(DST)
support (see <datetime> below)
<mode>
0 - disables #NITZ URC (factory default)
1 - enables #NITZ URC; after date and time updating the following unsolicited
indication is sent:
#NITZ: <datetime>
where:
<datetime> - string whose format depends on subparameter <val>
“yy/MM/dd,hh:mm:ss” - ‘basic’ format, if <val> is in (0..3)
“yy/MM/dd,hh:mm:ss±zz” - ‘extended’ format, if <val> is in (4..7)
“yy/MM/dd,hh:mm:ss±zz,d” - ‘extended’ format with DST support, if <val> is in (8..15)
where:
yy - year
MM - month (in digits)
dd - day
hh - hour
mm - minute
ss - second
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)
d – Number of hours added to the local TZ because of Daylight Saving Time
(summertime) adjustment: range is 0-2.
Note: If the DST information isn’t sent by the network, then the <datetime>
parameter has the format “yy/MM/dd,hh:mm:ss±zz”
AT#NITZ?
Read command reports whether (a) automatic date/time updating, (b) Full Network
Name applying, (c) #NITZ URC (as well as its format) are currently enabled or not,
in the format:
#NITZ: <val>,<mode>
AT#NITZ=?
Test command returns supported values of parameters <val> and <mode>.
Clock Mode - #CCLKMODE
#CCLKMODE – Clock Mode
AT#CCLKMODE=
<mode>
Set command enables the local time or the UTC time in AT+CCLK and
AT#CCLK commands and in #NITZ URC
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