| skos:altLabel | - calendrical
- Christian calendar
- calendar
- calendars
- date
- The Calendar
- calendrics
- dating system
- (March)
- Art calendar
- Calendar customs
- Calendar vendor
- Calendar#Calendar systems
- Calendar#Legal
- DATE
- Kl
- National Calendar
- calendar appointments
- calendar manager
- calendar software
- calendar subdivision
- calendar system
- calendar systems
- calendric
- calendrical science
- calendrical systems
- chronological systems
- determining the time of year
- standard calendar
- table of dates
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