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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


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. 2019-Sep-23 16:57:26.00 = A.D. 2019-Sep-23.7065509
A.D.  2019-09-23 16:57:26.00 = A.D.  2019-09-23.7065509
A.D.   2019--266 16:57:26.00 = A.D.   2019--266.7065509

Day-of-Week: Monday


Alternate Time Zone: UT-7 (MST/PDT)
-------------------------------------------------------
A.D. 2019-Sep-23 09:57:26.00 = A.D. 2019-Sep-23.4148843
A.D.  2019-09-23 09:57:26.00 = A.D.  2019-09-23.4148843
A.D.   2019--266 09:57:26.00 = A.D.   2019--266.4148843

Day-of-Week: Monday

Julian Date
------------------
2458750.2065509 UT
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Sep-23 16:57 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin