Solar eclipse of December 13, 1936

An annular solar eclipse occurred on December 13–14, 1936. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. An annular solar eclipse occurs when the Moon's apparent diameter is smaller than the Sun's, blocking most of the Sun's light and causing the Sun to look like an annulus (ring). An annular eclipse appears as a partial eclipse over a region of the Earth thousands of kilometres wide. Annularity was visible from Australia, New Zealand on December 14th (Monday), and Oeno Island in Pitcairn Islands on December 13th (Sunday).

Solar eclipse of December 13, 1936
Map
Type of eclipse
NatureAnnular
Gamma-0.2493
Magnitude0.9349
Maximum eclipse
Duration445 sec (7 m 25 s)
Coordinates37.8°S 172.6°W / -37.8; -172.6
Max. width of band251 km (156 mi)
Times (UTC)
Greatest eclipse23:28:12
References
Saros131 (46 of 70)
Catalog # (SE5000)9368

Solar eclipses of 1935–1938

This eclipse is a member of a semester series. An eclipse in a semester series of solar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.[1]

Saros 131

It is a part of Saros cycle 131, repeating every 18 years, 11 days, containing 70 events. The series started with partial solar eclipse on August 1, 1125. It contains total eclipses from March 27, 1522 through May 30, 1612 and hybrid eclipses from June 10, 1630 through July 24, 1702, and annular eclipses from August 4, 1720 through June 18, 2243. The series ends at member 70 as a partial eclipse on September 2, 2369. The longest duration of totality was only 58 seconds on May 30, 1612. All eclipses in this series occurs at the Moon’s ascending node.

Inex series

This eclipse is a part of the long period inex cycle, repeating at alternating nodes, every 358 synodic months (≈ 10,571.95 days, or 29 years minus 20 days). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee). However, groupings of 3 inex cycles (≈ 87 years minus 2 months) comes close (≈ 1,151.02 anomalistic months), so eclipses are similar in these groupings.

Tritos series

This eclipse is a part of a tritos cycle, repeating at alternating nodes every 135 synodic months (≈ 3986.63 days, or 11 years minus 1 month). Their appearance and longitude are irregular due to a lack of synchronization with the anomalistic month (period of perigee), but groupings of 3 tritos cycles (≈ 33 years minus 3 months) come close (≈ 434.044 anomalistic months), so eclipses are similar in these groupings.

In the 22nd century:

  • Solar Saros 147: Annular Solar Eclipse of 2111 Aug 04
  • Solar Saros 148: Total Solar Eclipse of 2122 Jul 04
  • Solar Saros 149: Total Solar Eclipse of 2133 Jun 03
  • Solar Saros 150: Annular Solar Eclipse of 2144 May 03
  • Solar Saros 151: Annular Solar Eclipse of 2155 Apr 02
  • Solar Saros 152: Total Solar Eclipse of 2166 Mar 02
  • Solar Saros 153: Annular Solar Eclipse of 2177 Jan 29
  • Solar Saros 154: Annular Solar Eclipse of 2187 Dec 29
  • Solar Saros 155: Total Solar Eclipse of 2198 Nov 28

In the 23rd century:

  • Solar Saros 156: Annular Solar Eclipse of 2209 Oct 29
  • Solar Saros 157: Annular Solar Eclipse of 2220 Sep 27
  • Solar Saros 158: Total Solar Eclipse of 2231 Aug 28
  • Solar Saros 159: Partial Solar Eclipse of 2242 Jul 28
  • Solar Saros 160: Partial Solar Eclipse of 2253 Jun 26
  • Solar Saros 161: Partial Solar Eclipse of 2264 May 26
  • Solar Saros 162: Partial Solar Eclipse of 2275 Apr 26
  • Solar Saros 163: Partial Solar Eclipse of 2286 Mar 25
  • Solar Saros 164: Partial Solar Eclipse of 2297 Feb 22

Metonic series

The metonic series repeats eclipses every 19 years (6939.69 days), lasting about 5 cycles. Eclipses occur in nearly the same calendar date. In addition, the octon subseries repeats 1/5 of that or every 3.8 years (1387.94 days).

Notes
  1. van Gent, R.H. "Solar- and Lunar-Eclipse Predictions from Antiquity to the Present". A Catalogue of Eclipse Cycles. Utrecht University. Retrieved 6 October 2018.

References
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