Update `datetime` field to correctly store in UTC#1401

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mackeyguenther wants to merge 6 commits into

Thinkmill:mainfrom

mackeyguenther:correct-datetime-utc-serialization

Commits on Feb 9, 2025

update `datetime` field to improve storage standardization (store as UTC, display in user's local time); update `datetime` documentation
mackeyguenther
committed

Commits on Feb 11, 2025

Merge branch 'main' into correct-datetime-utc-serialization
mackeyguenther
authored

Commits on Feb 17, 2025

Merge branch 'main' into correct-datetime-utc-serialization
mackeyguenther
authored

Commits on Mar 11, 2025

Merge branch 'main' into correct-datetime-utc-serialization
mackeyguenther
authored

Commits on Sep 23, 2025

Merge branch 'main' into correct-datetime-utc-serialization
mackeyguenther
authored

Commits on Jan 22, 2026

Merge branch 'main' into correct-datetime-utc-serialization
mackeyguenther
authored