calendar system
C2510
concept
A calendar system is a structured method for organizing and measuring time into units such as days, weeks, months, and years to schedule, record, and coordinate events.
Observed surface forms (5)
- Egyptian calendar ×1
- chronological system ×1
- historical calendar ×1
- traditional calendar system ×1
- year-numbering system ×1
Instances (12)
- Anno Mundi via concept surface "year-numbering system"
- Julian calendar
- Hebrew calendar
- Revised Julian calendar
- Long Count calendar
- Ethiopian calendar
- Coptic calendar
- Gregorian calendar (Western churches)
- Israeli civil calendar
- French Republican Calendar
- traditional Chinese calendar via concept surface "traditional calendar system"
- Burmese calendar