# `HL7v2.Segment.NCK`
[🔗](https://github.com/Balneario-de-Cofrentes/hl7v2/blob/v3.10.1/lib/hl7v2/segment/nck.ex#L1)

System Clock (NCK) segment -- HL7v2 v2.5.1.

Contains the system date/time for clock synchronization.

1 field per HL7 v2.5.1 specification.

# `t`

```elixir
@type t() :: %HL7v2.Segment.NCK{extra_fields: term(), system_date_time: term()}
```

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*Consult [api-reference.md](api-reference.md) for complete listing*