Hi Lawrence,

I briefly thought I was seeing the same thing. Guide reset to
18:44:47 UTC on 30 March, but the moon wasn't be quite in conjunction
with the sun.

However, I then realized I'd set a topocentric position. As seen
from the center of the earth, the sun and moon have the same ecliptic
longitude (which is the standard definition of "new moon", not the
time they have the same RA or the time of least angular separation).

Does this describe what you're seeing? If not : is Guide resetting
to 18:44:47 UT, or to some other time?

-- Bill

On 02/08/2014 02:25 PM, Lawrence wrote:
> An interesting ambiguity occurs to me when using tables. I selected
> lunar phases for March. The display is set to GMT. Can I assume that the
> time shown for March 30 New Moon is actually shown in GMT? When I click
> the relevant time it jumps to show the moon at that date/time - but the
> actual New Moon is about one hour later in real-time.
>
> Am I miss-interpreting something here?
>
> TIA
>
> Lawrence Harris
>
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