Note that this usually reads the module internal clock, NOT the network time. You need to configure the modem to sync its RTC to the network with a separate command. Off the top of my head it's AT+NITZ or AT#NITZ for Telit models at least.

I'm pretty sure the time includes the offset already. I can check if you give me a day or two.
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Christian
#40104192 120Gb (no longer in my E36 M3, won't fit the E46 M3)