Quectel EC25 Command Manual page 84

Write Command
AT+CTZR=<reporting>
Read Command
AT+CTZR?
Maximum Response Time
Reference
3GPP TS 27.007
Parameter
<reporting> Integer type. The mode of time zone reporting
0
1
2
<tz> String type. The sum of the local time zone (difference between the local time and GMT
is expressed in quarters of an hour) plus daylight saving time. The format is "±zz",
expressed as a fixed width, two-digit integer with the range -48 ... +56. To maintain a
fixed width, numbers in the range -9 ... +9 are expressed with a leading zero, e.g. "-09",
"+00" and "+09".
<dst> Integer type. Indicates whether <tz> includes daylight savings adjustment
0
1
2
String type. The local time. The format is "YYYY/MM/DD,hh:mm:ss", expressed as
<time>
integers representing year (YYYY), month (MM), date (DD), hour (hh), minute (mm)
and second (ss). This parameter can be provided by the network when delivering time
zone information and will be presented in the unsolicited result code of extended time
zone reporting if provided by the network.
Example
AT+CTZR=2
OK
AT+CTZR?
+CTZR: 2
EC25&EC21_AT_Commands_Manual
Response
OK
ERROR
Response
+CTZR: <reporting>
OK
300ms
Disable time zone reporting of changed event
Enable time zone reporting of changed event by unsolicited result code:
+CTZV: <tz>
Enable extended time zone reporting by unsolicited result code:
+CTZE: <tz>,<dst>,<time>
<tz> includes no adjustment for daylight saving time
<tz> includes +1 hour (equals 4 quarters in <tz>) adjustment for daylight saving
time
<tz> includes +2 hours (equals 8 quarters in <tz>) adjustment for daylight saving
time
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