Calendar converter - fourmilab, The islamic calendar is purely lunar and consists of twelve alternating months of 30 and 29 days, with the final 29 day month extended to 30 days during leap years.. Maya calendar - wikipedia, Overview. the maya calendar consists of several cycles or counts of different lengths. the 260-day count is known to scholars as the tzolkin, or tzolk'in. the tzolkin. 2017 calendar / wall desk calendars | buy calendars online, Calendars.com has the widest selection of calendars in the known universe. thousands of titles in stock - you will find the perfect calendar. 2017 calendars, dog.
On--day. - daily history, famous birthdays , On--day. - today history: daily historical facts, events, famous birthdays, world history, united states history music history.. http://www.on-this-day.com/ Time date, Time date information dates times local region area world. research times globe, review time zone map. http://www.timeanddate.com/ Julian calendar - wikipedia, Motivation. ordinary year previous roman calendar consisted 12 months, total 355 days. addition, 27- 28-day intercalary month, . https://en.wikipedia.org/wiki/Julian_calendar