© 2026 Schemall· The source of structured meaning
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True
observationDate
c01a02e83db973bc9d327406fb6378a2a
The observationDate of an [Observation](https://schema.org/Observation).
The observationDate of an [Observation](http://schema.org/Observation).
c01a02e8391b9cc3d9ec3006e96e45df0
c01a02e83dbe280632332ec43b7aa0d73
