noun a system of organizing days for social, religious, commercial, or administrative purposes
adjective relating to a calendar or a particular date or time period
Writers may use a calendar to keep track of deadlines for articles, book releases, and other writing projects.
Psychologists may use a calendar to schedule client appointments, keep track of therapy sessions, and plan out their work schedule.
Lawyers may use a calendar to schedule court dates, client meetings, and deadlines for legal filings.
Doctors may use a calendar to schedule patient appointments, keep track of surgeries, and plan out their rounds at the hospital.
Teachers may use a calendar to plan out their lesson plans, schedule parent-teacher conferences, and keep track of school holidays.