Can you open time-b.nist.gov from mainland China?
Not sure yet.
There isn't enough recent data to reach a verdict.
2015first tested
7 d agolast tested
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Frequently asked questions
Is time-b.nist.gov blocked in mainland China right now?
As of the last test on 2026-07-23, time-b.nist.gov is not enough data in mainland China, based on GreatFire's live Great Firewall measurements.
http://time-b.nist.gov · JSON