When using the NI-9467 as its synchronization source, the FPGA Timekeeper will be synchronized to International Atomic Time (TAI), which does not account for leap seconds and will be several seconds off from UTC time. The offset between TAI and Coordinated Universal Time (UTC) is a readable property for the NI 9467, so UTC can be calculated. Because the TAI is a U64 representing nanoseconds, and the UTC Offset is an I8 representing seconds, it is recommended that only TAI be used in the FPGA. Any conversions to or from UTC should be made on the host.
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