Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
Time Conversion Tool

Use this tool to convert from calendar date/time format to Julian date and vice versa. Optionally convert between selected world time zones and determine the day-of-week for the specified date.

Enter a calendar date and time
(year-month-day hour:minute:second)...
Date and Time
  using calendar date and time

or Enter a Julian date ...
UT   using Julian date
    

Equivalent Times


Input Time Zone: UT
-------------------------------------------------------
A.D. 2021-Mar-02 00:00:15.00 = A.D. 2021-Mar-02.0001736
A.D.  2021-03-02 00:00:15.00 = A.D.  2021-03-02.0001736
A.D.   2021--061 00:00:15.00 = A.D.   2021--061.0001736

Day-of-Week: Tuesday


Alternate Time Zone: UT-8 (PST)
-------------------------------------------------------
A.D. 2021-Mar-01 16:00:15.00 = A.D. 2021-Mar-01.6668403
A.D.  2021-03-01 16:00:15.00 = A.D.  2021-03-01.6668403
A.D.   2021--060 16:00:15.00 = A.D.   2021--060.6668403

Day-of-Week: Monday

Julian Date
------------------
2459275.5001736 UT
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Mar-02 00:00 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin