Yes, on newer networks, the 5G NR System Information Block 9 (SIB9) provides UTC... | Hacker News

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offmycloud on June 1, 2025 | parent | context | favorite | on: Precision Clock Mk IV

Yes, on newer networks, the 5G NR System Information Block 9 (SIB9) provides UTC time.

dezgeg on June 2, 2025 [–]

However, it seems that extra SIBs aren't necessarily broadcast but may be available on demand... and it wasn't clear to me whether making a on-demand SIB request can be done without SIM card.

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