This converter allows any date from 1801 to 2099 to be converted into Julian Date. The method used is as outlined in the U.S. Naval Observatory's Almanac for Computers, 1990.
NOTE: This converter uses Standard Time and NOT Daylight Savings. If you are on Daylight Savings and wish to use your local time, change the timezone to +1 of your usual difference relative to GMT e.g. for British Summer Time (BST) use GMT+1.
Copyright © 2010-2014 Jonathan Crass, Institute of Astronomy