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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)...
 Era Date and Time Time Zone A.D. B.C. UT-11 UT-10 UT-9 UT-8 (PST) UT-7 (MST/PDT) UT-6 (CST/MDT) UT-5 (EST/CDT) UT-4 (EDT) UT-3 UT-2 UT-1 UT UT+1 UT+2 UT+3 UT+4 UT+5 UT+5:30 UT+5:45 UT+6 UT+6:30 UT+7 UT+8 UT+9 UT+9:30 UT+10 UT+11 UT+11:30 UT+12 UT+13 Output Alternate Zone: UT-11 UT-10 UT-9 UT-8 (PST) UT-7 (MST/PDT) UT-6 (CST/MDT) UT-5 (EST/CDT) UT-4 (EDT) UT-3 UT-2 UT-1 UT UT+1 UT+2 UT+3 UT+4 UT+5 UT+5:30 UT+5:45 UT+6 UT+6:30 UT+7 UT+8 UT+9 UT+9:30 UT+10 UT+11 UT+11:30 UT+12 UT+13 using calendar date and time

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

### Equivalent Times

```
Input Time Zone: UT
-------------------------------------------------------
A.D. 2021-Jul-27 00:30:02.00 = A.D. 2021-Jul-27.0208565
A.D.  2021-07-27 00:30:02.00 = A.D.  2021-07-27.0208565
A.D.   2021--208 00:30:02.00 = A.D.   2021--208.0208565

Day-of-Week: Tuesday

Alternate Time Zone: UT-7 (MST/PDT)
-------------------------------------------------------
A.D. 2021-Jul-26 17:30:02.00 = A.D. 2021-Jul-26.7291898
A.D.  2021-07-26 17:30:02.00 = A.D.  2021-07-26.7291898
A.D.   2021--207 17:30:02.00 = A.D.   2021--207.7291898

Day-of-Week: Monday

Julian Date
------------------
2459422.5208565 UT
```
2021-Jul-27 00:30 UT
(server date/time)