eReference

Back to eReference

Dates and Times

 

Dates | Time

Dates

10,000-Year Calendar
With this calendar you can view a month or year calendar for any year 1 to 10000 A.D. All leap years and calendar changes are accounted for. (For the experts: You now have the choice of when the calendar changed from Julian to Gregorian, October of 1582 or September of 1752.) No typing is necessary. Save to del.icio.us    Save to Ma.gnolia
Calendar Search
Use the Search Keyword to specify year or month/year. Save to del.icio.us    Save to Ma.gnolia
CalendarZone
Comprehensive categorized calendar catalog, including celestial, cultural, daily, event, geographic, historic, holiday, religious, etc. calendars. Save to del.icio.us    Save to Ma.gnolia
This Day in History
Choose a date and category. Save to del.icio.us    Save to Ma.gnolia

Time

U.S. Naval Observatory, Time Service Department
The Official Source of Time for the Department of Defense (DoD) and the Global Positioning System (GPS), and a Standard of Time for the United States Save to del.icio.us    Save to Ma.gnolia
Walk Through Time
Examines our quest to measure time and efforts we have put into creating devices to measure equal intervals of it. Examining how time has been measured historically and physically, sections include Ancient Calendars, the Atomic Age, and World Time Scales. Save to del.icio.us    Save to Ma.gnolia
Worldtime
A service featuring an interactive world atlas, information on local time as well as sunrise and sunset times in several hundred cities, and a database of public holidays worldwide. Save to del.icio.us    Save to Ma.gnolia