City and time-zone data: GeoNames, https://www.geonames.org/
Source: https://download.geonames.org/export/dump/
License: Creative Commons Attribution 4.0 International
https://creativecommons.org/licenses/by/4.0/

Wind Water Atelier reuses the Joy Luck Dating snapshot, which selected and compacted fields from cities1000.txt,
admin1CodesASCII.txt and countryInfo.txt for browser-only city lookup.
Names and aliases are limited; not every village is included. The data is
provided as-is, without a guarantee of accuracy or completeness.
Snapshot provenance and changes: /cities-source.json