Astronomy & Time

Date-aware helpers for sun and moon context.

This section covers date-aware utilities and timezone mappings that fit the rest of the package: lightweight, typed, browser-friendly reference data with practical lookup helpers.

Included pages

Sun and moon helpers for phase and season lookups
IANA timezone mappings with map-ready coverage data

Explore the astronomy reference

Sun & Moon Data

arevdata now includes a lightweight astronomy layer for interfaces that need contextual seasonal or lunar data without pulling in a heavy astronomy library.
Timezones

arevdata now includes a timezone mapping layer derived from the IANA Time Zone Database, so you can resolve timezones by country, territories by timezone, and map-ready timezone coverage without shipping your own lookup tables.