Calendars are a useful tool that you should use every day to remember dates, days, and months. In addition, they can assist you in scheduling vacations and keeping track of important occasions like birthdays and holidays. Depending on the type you purchase, you may either hang them on the wall or keep them on a table. It allows for easier scheduling of study time for students. Calendars use one of two date formats. One is the English lunar calendar used in offices, and the other is the conventional Hindu calendar. To locate holy "muhrats" for pujas, marriages, and other religious occasions, use the latter. Some of them have motivational sayings or eye-catching images printed on them. Additionally, they serve as promotional.