Timezone / Date

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Accuracy

Due to the erratic rotation of the Earth, the time and location of the eclipse cannot be forecast perfectly. This eclipse's time is estimated to be accurate ± 20m43s (with 95% confidence). This equates to an error in longitude of ± 5 degrees, or around ± 526 km (327 miles) at the latitude of greatest eclipse.

A total eclipse of the Moon occurred on 31 December, 0997 BC UT Old Style, with maximum eclipse at 08:46 UT. The Moon was plunged into darkness for 1 hour and 37 minutes, in a deep total eclipse which saw the Moon 51% of its diameter inside the Earth's umbral shadow. The visual effect of this depends on the state of the Earth's atmosphere, but the Moon may have been stained a deep red colour. The partial eclipse lasted for 3 hours and 51 minutes in total.

The penumbral eclipse lasted for 6 hours and 15 minutes. The partial eclipse lasted for 3 hours and 51 minutes. The total eclipse lasted for 1 hour and 37 minutes. Maximum eclipse was at 08:46:43 UT.

Overview Map

This map sourced from NASA Goddard Space flight Center: GSFC Eclipse Web SiteGSFC Eclipse Web Site
The primary source of all the information on eclipses presented here at Hermit Eclipse. (NASA Goddard Space flight Center)
https://eclipse.gsfc.nasa.gov/eclipse.html shows the visibility of the eclipse. (Click on it for the full-sized version.)

Eclipse Season and Saros Series

This eclipse season contains 3 eclipses:

This was the 51st eclipse in lunar Saros series 28.The surrounding eclipses in this Saros series are:

This Saros series, lunar Saros series 28, is linked to solar Saros series 35. The nearest partner eclipses in that series are:

Eclipse Parameters

UT Date/time (max) 08:46:43 on 31 Dec UT TDT Date/time (max) 15:47:08 on 31 Dec TDT
Saros Series 28 Number in Series 51
Penumbral Magnitiude 2.6084 Central Magnitiude 1.5107
Gamma -0.1629 Path Width (km)
Delta T 7h00m Error ± 20m43s (95%)
Penumbral Duration 6h15m Partial Duration 3h51m
Total Duration 1h37m
Partial Rating Total Rating

Note that while all dates and times on this site (except where noted) are in UT, which is within a second of civil time, the dates and times shown in NASA's eclipse listingsGSFC Eclipse Web Site
The primary source of all the information on eclipses presented here at Hermit Eclipse. (NASA Goddard Space flight Center)
https://eclipse.gsfc.nasa.gov/eclipse.html are in the TDT timescale.

Data last updated: 2015-06-21 22:11:40 UTC.