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 ± 47m51s (with 95% confidence). This equates to an error in longitude of ± 11 degrees, or around ± 1323 km (822 miles) at the latitude of greatest eclipse.

A total eclipse of the Moon occurred on 21 September, 1354 BC UT Old Style, with maximum eclipse at 13:30 UT. The Moon was plunged into darkness for 1 hour and 38 minutes, in a deep total eclipse which saw the Moon 54% 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 47 minutes in total.

The penumbral eclipse lasted for 6 hours and 2 minutes. The partial eclipse lasted for 3 hours and 47 minutes. The total eclipse lasted for 1 hour and 38 minutes. Maximum eclipse was at 13:30:13 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 eclipse belongs to lunar Saros series 25.The surrounding eclipses in this Saros series are:

This Saros series, lunar Saros series 25, is linked to solar Saros series 32. The nearest partner eclipses in that series are:

Eclipse Parameters

UT Date/time (max) 13:30:13 on 21 Sep UT TDT Date/time (max) 22:24:14 on 21 Sep TDT
Saros Series 25 Number in Series
Penumbral Magnitiude 2.6102 Central Magnitiude 1.5446
Gamma -0.1531 Path Width (km)
Delta T 8h54m Error ± 47m51s (95%)
Penumbral Duration 6h02m Partial Duration 3h47m
Total Duration 1h38m
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 22:11:39 UTC.