A perpetual calendar is a calendar valid for many years, usually designed to look up the day of the week for a given date in the past or future. Perpetual calendars come in many different styles and shapes. These perpetual calendars are made of wooden or steel. Some models of the perpetual calendars come with clock, pen stand, card holders and mobile stands. These are elegantly designed and made in India promotional and corporate gifts. These can be customized with your company logo.