Endpoint
/api/time/nextDays
Returns the current Bonn solar day, the readable Lilyan clock state, and the next n days after it. n is capped at 31.
JSON API
Programmatic access to Bonn solar time and Lilyan calendar data
Compact JSON endpoints for the current Bonn solar day, upcoming Lilyan days, and calendar year structures.
Endpoint
/api/calendar/years
Returns Lilyan year and month structure for an inclusive range. The maximum range is 20 years.