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echo: quik_bas
to: Jim King
from: Jasen Betts
date: 2003-03-07 06:33:08
subject: Julian Day program

Hi Jim.

05-Mar-03 20:55:24, Jim King wrote to All


 JK> I was surfing the net and found a chart listing lunar phases for
 JK> 2003. An example of the listing for March 3rd, 2003 was...

 JK> New Moon 03/03/2003 - 02:35:60  (2452701.608331)

 JK> The numbers in the brackets had me stumped for a minute but I soon
 JK> figured they were Julian dates and pulling out Mr. Williams Julian
 JK> Day program I quickly saw that that was the case (March 3rd, 2003
 JK> = 2452701.5). What I'm not sure of is the .608331 part of the
 JK> Julian Date. Is that the time of day? And if it is is there anyway
 JK> to modify Mr. Williams Julian Day program to include the time of
 JK> day along with the date?

Add the hours since midnight (GMT) divided by 24 to the result.

 -=> Bye <=-

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