The proleptic Gregorian date resolved.
A gap or fold of any cause ("dst-" names kept for compatibility; see jump), and a local mean time clock.
The host's offset where the shipped history answered, as a cross-check.
Set where the birthplace's own mean time read the wall time.
For createNatalEnvelope's localResolution.
Minutes east at the resolved instant; may be fractional.
The transition behind the offset, where known.
A wall time resolved; docs/time.md describes every field.