# JD converter (dialog)

The “JD converter” dialog allows an user to convert a Julian date into a Gregorian calendar date (common date and time) and vice versa.

## Activating the dialog

The dialog can be activated:

1. from the main menu: Tools ‣ JD converter.

## Converting Gregorian calendar date to Julian date

Gregorian calendar date to Julian date

(1) Select the direction of the conversion

Enter the Gregorian calendar date to the text box (2) in the following form: year-month-day hour:minute:second. The time part is optional. Seconds can contain a fractional part. As you type in the data, corresponding Julian date is updated in the third text box (3).

## Converting Julian date to Gregorian calendar date

Julian date to Gregorian calender date

(10) Select the direction of the conversion

Enter the Julian date to the text box (11). As you type in the value, corresponding Gregorian calender date is updated in the third text box (12).

See also

Heliocentric correction (dialog), Air mass coefficient (dialog)