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. For the...

The Buddhist calendar is a set of lunisolar calendars primarily used in Tibet, Cambodia, Laos, Myanmar, Bangladesh, India, Sri Lanka, Thailand and Vietnam...

wristwatch, Ref. 3414. Patek Philippe popularized complications such as perpetual calendar, split-seconds hand, chronograph, and minute repeater in mechanical...

Gregorian calendar: Holocene calendar International Fixed Calendar (also called the International Perpetual calendar) World Calendar World Season Calendar Leap...

the 1600 and 1700s, in the baroque style. The sacristy hosts the Perpetual Calendar built by the engineering Giovanni Plana, a primitive computing machine...

Historically Highly Important 18K Gold Automatic Perpetual Calendar Wristwatch With English Calendar, Leap Year Indication and "No Moon" Ref. 3448 "Alan...

calendar (fictional) Middle-earth calendars (fictional) Stardates (from Star Trek, fictional) History of calendars Epoch Horology Perpetual calendar Liturgical...

complicated mechanical pocket watch displaying the Gregorian, Judaic, and lunar calendars featuring 57 complications. The watch was assembled by Vacheron Constantin...

total of 24 different functions. These included Westminster chimes, a perpetual calendar, sunrise and sunset times, and a celestial map of New York as seen...

Such a calendar is also referred to as an observation-based calendar. The advantage of such a calendar is that it is perfectly and perpetually accurate...