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Writing skill: bare post dates now display correctly #95

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Writing skill: bare post dates now display correctly
MaxGhenis Sep 30, 2026
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Writing skill: give the reader-visible reason to avoid date offsets (…
MaxGhenis Sep 30, 2026
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8 changes: 5 additions & 3 deletions skills/policyengine-writing/SKILL.md
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Expand Up @@ -484,9 +484,11 @@ methodological transparency example below. Put other package versions, script pa
hashes and rerun steps in footnotes, so the body states what the numbers show and the
footnotes let a reader reproduce them.

**Post dates.** Write `posts.json` dates with a time of day (`"2026-09-29 08:00:00"`). The
article page and research list parse a bare date as UTC midnight and show it as the previous
day to readers in US time zones.
**Post dates.** A `posts.json` date can be a bare day (`"2026-09-29"`) or a day and time
(`"2026-09-29 08:00:00"`). The site shows either as that calendar day in every time zone
([policyengine-app-v2#1237](https://github.com/PolicyEngine/policyengine-app-v2/pull/1237)).
Leave out time zone offsets such as `Z` or `-04:00`: a date with one shows the reader's local
day, the research list sorts dates as text, and a website test fails on it.

## Grading forecasts and explaining misses

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