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Old 12-06-2010, 06:13 AM
peterguiren (Pete)
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Earth's Moon Conjunction

Can anyone tell me or explain whether the time of the conjunction of the earth's moon is exactly the same (regardless of time zones) everywhere on the earth (i.e. at the same time) ?
Thanks
Pete
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Old 12-06-2010, 08:24 AM
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[1ponders] (Paul)
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which conjunction is that Pete? Moon to what?
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Old 12-06-2010, 04:00 PM
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Robh (Rob)
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Are you referring to the exact time of the New Moon, which we can't observe?
The same principle will apply for the exact time of the Full Moon. The Moon will appear full for about a day before and after the exact time of the Full Moon. As the light across the Moon is continually expanding (waxing) then contracting (waning), there will be a single instance when the Moon is exactly full. The "exact" time to the nearest hour and minute of a day is given as GMT or UTC time. To get the exact time for your locality you have to allow for your time zone and daylight saving if applicable.

Regards, Rob
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Old 13-06-2010, 11:07 AM
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OneOfOne (Trevor)
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As Rob said, it will occur at a particular instant in time, which will be a different local time depending on where you are. Technically, any of these "events" occur for just an instant (solstice, equinox etc), although in the case of the Moon it appears full or new for a few days either side. The only time we can "see" a new moon is at the time of a total eclipse. We are only directly in line for an instant as the Moon travels over the surface of the Sun, before it is directly in line it is not REALLY new!....just really, really close.
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