Based on the official SDK version 0.9.3 with AT commands version 20.
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Added support for NTP synchronization, Usage: AT+CIPNTP= - to initialize the ntp and set the timezone, this will cause the module to send an NTP query to the global ntp pool, for example: AT+CIPNTP=2 , to set the timezone to GMT-2 AT+CIPNTP? - to get the current date and time, for example: AT+CIPNTP? Time: 22:22:42 12/02/2014 GMT+02
NOTE: the ntp is the sntp that comes with libwip with some changes.