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TIMEGEN problem, bug? [message #34446]

Sat, 15 March 2003 14:36

lucianor
Messages: 12
Registered: June 2002

Junior Member

I tried the following:

IDL> Jul1=JulDay(3,31,1998,23)
IDL> dummy=TIMEGEN(40,START=jul1,UNITS='Hours')
IDL> caldat,dummy[39],month,day,year,hour
IDL> print,year,month,day,hour
1998 4 1 14

How adding 40 hours to 31/3,23h could end up in 1/4,14h??
The problem seems to appear because TIMEGEN takes 30 as the first day, and not 31:

IDL> caldat,dummy,month,day,year,hour
IDL> print,day[0:4]
30 31 31 31 31

Of course that if it starts at day 30/3 it will be correct to end at day 1/4
But I'm telling it to start at day 31!!

Any help??

(I'm using IDL 5.4 on Windows XP)

Luciano.

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