Briefle words · Data & charts
ISO 8601
The international standard way to write dates and times, largest unit first, like 2026-03-08T14:30:00Z.
Say it to an AI
Bar chart of open rate per send for October with value labels on the bars and a takeaway title about Friday sends. Use readable date formatting on the axis, weekday plus month and day ('Fri, Oct 16'), not the ISO 8601 strings from the export.
How an expert would brief the stronger version of “Newsletter open rates”.
See it
Try it as a puzzle →Per-send open-rate chart in the analytics view of a newsletter publishing tool.
Why: A's '2026-10-13' is this format, ideal in a CSV and awkward under a bar.
More ways experts use it
booking.confirmed webhook payload: all timestamps as ISO 8601 strings in UTC with a Z suffix (arrivalAt, createdAt), stay dates as ISO calendar dates (YYYY-MM-DD), plus the hotel's IANA time zone so partners can render local time. No locale-formatted dates anywhere.
Booking webhook · Code & architecture
Related words
Room 4 · Labels & annotations
Learn “ISO 8601” in a five-minute lesson