Re: [LEAPSECS] MJD and leap seconds

From: Poul-Henning Kamp <>
Date: Tue, 10 Jan 2006 17:04:23 +0100

In message <Pine.GSO.4.58.0601101151020.1614_at_cass18>, Peter Bunclark writes:
>On Tue, 10 Jan 2006, Tom Van Baak wrote:
>> have no leap seconds. Astronomers appear to avoid
>> using MJD altogether.
>Good grief. MJD is used widely in astronomy, for example in variablility
>studies where you want a real number to represent time rather than deal
>with the complications of parsing a date. It tends to be written into the
>FITS header of practically every data file observed.

So how do you deal with fractional days in that format ?

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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Received on Tue Jan 10 2006 - 08:14:52 PST

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