Julian Date (JD) Calculator and Calendars
What is Julian Date?
Compute the JD or UT yourself
To convert from JD to calendar date enter the Julian Date below:
What is Julian Date?
Compute the JD or UT yourself
To convert from JD to calendar date enter the Julian Date below:
The 2017 Julian Day calendar is now available for your viewing or downloading pleasure.
The 2013 JD Calendar is now available.
Go to the JD Calendar page and scroll down to the bottom where you will be able to view or download the new calendar.
Clear Skies!
The 2012 JD Calendar is now available.
Just go to the JD Calendar page and scroll down to the bottom where you will be able to view or download the new calendar.
Happy observing!
January 2012 page from AAVSO Centennial Calendar for 2011
This page is posted for those of you thinking about the AAVSO logo contest. The text at the bottom of the artwork explains the logo images.
The 2011 JD Calendar is now available.
Images in A Century of Variable Star Observing: 1911-2010
Front Cover
Images in A Century of Variable Star Observing: 1911-2010
Back Cover
- Small versions of artwork for the months of January-December 2011
- Text about the AAVSO and this calendar:
Images in A Century of Variable Star Observing: 1911-2010
December 2011: AAVSO staff and Headquarters volunteers
Images in A Century of Variable Star Observing: 1911-2010
November 2011: AAVSO reports - submitting observations to the AAVSO International Database