datetime.cet
Ceticilian Lilyan calendar and time
datetime.cet
Ceticilian time, Lilyan dates, and calendar reference
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Time
The clock follows the Sun over Bonn
A Lilyan day uses Bonn solar midnight as its boundary.
Solar noon and true midnight
Solar noon and true midnight are the two fixed points of the Lilyan day.
Months
Why Lilyan months begin with the New Moon
The Moon sets the rhythm, and the calendar records it in ordinary dates.
The names of the Lilyan months
The month names give the year a seasonal vocabulary.
Years
Why New Year stays near spring
The Lilyan year follows the seasons, so it sometimes needs an extra month.
What Second Frost is for
Second Frost keeps the lunar months close to the solar year.
Dates
How to read a Lilyan date
A Lilyan date names the year, the month, and the day, just as the civil calendar does.
Solar days
Why some Lilyan days are slightly longer
The Sun is steady enough for daily life, but a real solar day is not perfectly identical every time.
Everyday use
Using Lilyan dates beside civil dates
The two calendars can sit side by side for records, events, and Ceticilian timekeeping.
Events
Planning events with Lilyan dates
Use civil dates for logistics and Lilyan dates for calendar meaning.