Solar eclipse of August 2, 2027

A total solar eclipse will occur over much of the central Eastern Hemisphere on Monday, August 2, 2027. 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. A total solar eclipse occurs when the Moon's apparent diameter is larger than the Sun's, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across Earth's surface, with the partial solar eclipse visible over a surrounding region thousands of kilometres wide.

Solar eclipse of August 2, 2027
Map
Type of eclipse
NatureTotal
Gamma0.1421
Magnitude1.079
Maximum eclipse
Duration383 s (6 min 23 s)
Coordinates25.5°N 33.2°E / 25.5; 33.2
Max. width of band258 km (160 mi)
Times (UTC)
Greatest eclipse10:07:50
References
Saros136 (38 of 71)
Catalog # (SE5000)9568

Path

Totality will commence over the eastern Atlantic Ocean and travel across the Strait of Gibraltar between Spain and Morocco, and continue across parts of North Africa and the Middle East. Major cities and locations under the path of totality will include:[1]

  • Cadiz and Malaga, in southern Spain
  • Gibraltar
  • Tangier, Morocco
  • Oran, Algeria
  • Sfax, Tunisia
  • Benghazi, Libya
  • Luxor in central Egypt
  • Jeddah and Mecca in southwest Saudi Arabia
  • Sana'a in western Yemen
  • The tip of the Horn of Africa in extreme northeast Somalia
  • Islands in the British Indian Ocean Territory

The maximum duration of totality will be observed in Egypt, approximately 37 miles (60 km) southeast of Luxor, and will last 6 minutes and 22 seconds.[2]

A partial solar eclipse will be visible from the extreme east tip of Maine, United States, far eastern Quebec and the Atlantic Provinces in Canada, southern Greenland, Iceland, Ireland, Great Britain, nearly the entirety of the European continent, all but the southern quarter of Africa, the Middle East, and from South and Southeast Asia.[1]

It will be the first of three total solar eclipses that are observable in Tunisia in the 21st century, passing over the central part of the country.[3] It will be the second total eclipse in Spain within less than a year (after August 2026). Furthermore, an annular eclipse will appear in Spain in January 2028, less than half a year afterwards. National eclipse committee has been established to coordinate eclipse-related activities.[4]

Duration

This is the second longest total solar eclipse in the 21st century, the longest being the total solar eclipse of July 22, 2009, the eclipse previous to this one in Solar Saros 136. However, the longest duration of the 2009 eclipse was 6 minutes and 39.5 seconds on the Pacific Ocean, and the longest duration on land was 6 minutes and 35 seconds on uninhabited North Iwo Jima, a remote Japanese island far from the main islands of Japan, located 1,170 kilometres (730 mi) south of Tokyo. Thus, the duration seen by most observers was shorter than that.[5] The longest duration of this eclipse is 6 minutes and 23.2 seconds, occurring in the northeastern part of Egypt's New Valley Governorate, near its border with Asyut Governorate and Sohag Governorate. The location of the greatest eclipse is about 250 kilometres (160 mi) southeast of it in Red Sea Governorate, with a slightly shorter duration. This is the longest total solar eclipse on easily accessible land in the 21st century. A longer total solar eclipse will not occur until June 3, 2114.[6]

Images


Animated path

Details of totality in some places or cities
Solar Eclipse of August 2, 2027
Country or Territory Place or City Start

of
partial
eclipse
(Local Time)

 Start of
total
eclipse (Local Time)		 End of
total
eclipse (Local Time)		 Duration of
total
eclipse		 End of
partial
eclipse (Local Time)		 Magnitude
 MoroccoTangier08:40:3309:44:3809:49:294 min 50s11:00:201,072
 SpainTarifa09:40:5010:45:0510:49:444 min 39 s12:00:421,072
 MoroccoTétouan08:40:4709:45:1009:50:014 min 51s11:01:101,072
 SpainCadiz09:40:4210:45:1810:48:213 min 03 s11:59:351,072
 SpainCeuta09:40:5810:45:1910:50:074 min 48 s12:01:111,072
 SpainAlgeciras09:41:0110:45:2510:49:544 min 29 s12:00:591,072
 GibraltarGibraltar09:41:0410:45:3010:50:014 min 31 s12:01:071,072
 SpainMarbella09:41:3710:46:4610:50:053 min 18 s12:01:501,072
 SpainBenalmádena09:41:5510:47:2610:50:192 min 53 s12:02:261,072
 SpainMalaga09:42:0410:48:0710:50:001 min 53 s12:02:361,072
 SpainMelilla09:42:2210:48:1210:52:444 min 33 s12:05:201,073
 MoroccoNador08:42:2209:48:1309:52:444 min 31 s11:05:211,073
 SpainMotril09:42:4310:49:1810:50:591 min 41 s12:04:041,073
 MoroccoOujda08:42:5609:50:5509:52:271 min 32 s11:07:161,073
 AlgeriaTlemcen08:43:3009:50:5609:54:073 min 11 s11:08:191,073
 AlgeriaOran08:44:2609:51:0309:56:115 min 08 s11:09:221,073
 AlgeriaBou Saâda08:48:4609:57:5510:03:125 min 17 s11:18:301,075
 AlgeriaBlida08:47:5509:57:1010:00:012 min 51 s11:15:211,074
 AlgeriaBatna08:51:0110:01:0310:06:205 min 17 s11:22:091,075
 TunisiaSfax08:56:2310:08:4610:14:265 min 40 s11:31:451,076
 TunisiaKairouan08:55:4310:08:4910:11:332 min 44 s11:29:361,076
 LibyaNortheast of Tripoli09:59:4611:16:2811:17:2355 s12:38:321,077
 LibyaAl-Khums10:01:1711:18:4011:19:2343 s12:40:531,077
 LibyaBenghasi10:10:4111:27:5111:34:006 m 09 s12:53:151,078
 EgyptSiwa Oasis11:22:1112:42:3312:48:035 min 30 s14:08:041,079
 EgyptAsyut11:35:2912:56:5213:02:596 min 07 s14:21:281,079
 EgyptSohag11:37:1312:58:4413:05:076 min 22 s14:23:251,079
 EgyptQena11:39:5113:01:3313:07:456 min 12 s14:25:481,079
 EgyptLuxor11:40:1213:02:0213:08:236 min 21 s14:26:301,079
 Saudi ArabiaJeddah12:00:2213:22:1613:28:166 min 00 s14:43:441,079
 Saudi ArabiaMecca12:01:5613:24:0213:29:095 min 07 s14:44:411,079
 Saudi ArabiaTaif12:03:3213:26:0213:29:553 min 53 s14:45:431,079
 Saudi ArabiaAbha12:13:0813:34:1413:40:076 min 03 s14:53:461,078
 Saudi ArabiaKhamis Mushait12:13:2613:34:2613:40:276 min 01 s14:53:511,078
 Saudi ArabiaJizan12:15:1313:38:1813:41:142 min 56 s14:56:091,078
 YemenSana'a12:21:5413:44:1113:46:322 min 21 s15:00:261,078
 YemenAtaq12:29:0013:48:1013:53:575 min 47 s15:04:411,077
 SomaliaBosaso12:39:3913:58:0814:02:104 min 02 s15:11:561,076
 SomaliaBandar Beyla12:46:0514:04:2014:06:262 min 08 s15:15:551,076
 British Indian Ocean TerritorySalomon Islands, Peros Banhos and Nelsons Island in Chagos Archipelago16:37:4117:40:1017:43:293 min 19 s18:39:421,067

Eclipses in 2027

Solar eclipses 2026–2029

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.[7]

Solar eclipse series sets from 2026 to 2029
Ascending node   Descending node
Saros Map Gamma Saros Map Gamma
121 2026 February 17

Annular		 −0.97427 126 2026 August 12

Total		 0.89774
131 2027 February 6

Annular		 −0.29515 136 2027 August 2

Total		 0.14209
141 2028 January 26

Annular		 0.39014 146 2028 July 22

Total		 −0.60557
151 2029 January 14

Partial		 1.05532 156 2029 July 11

Partial		 −1.41908

Partial solar eclipses on June 12, 2029, and December 5, 2029, occur in the next lunar year eclipse set.

Saros 136

Solar Saros 136, repeating every 18 years, 11 days, contains 71 events. The series started with partial solar eclipse on June 14, 1360, and reached a first annular eclipse on September 8, 1504. It was a hybrid event from November 22, 1612, through January 17, 1703, and total eclipses from January 27, 1721, through May 13, 2496. The series ends at member 71 as a partial eclipse on July 30, 2622, with the entire series lasting 1262 years. The longest eclipse occurred on June 20, 1955, with a maximum duration of totality at 7 minutes, 7.74 seconds. All eclipses in this series occurs at the Moon's descending node.[8]

Series members 29–43 occur between 1865 and 2117
29 30 31

Apr 25, 1865
May 6, 1883
May 18, 1901
32 33 34

May 29, 1919
Jun 8, 1937
Jun 20, 1955
35 36 37

Jun 30, 1973
Jul 11, 1991
Jul 22, 2009
38 39 40

Aug 2, 2027
Aug 12, 2045
Aug 24, 2063
41 42 43

Sep 3, 2081
Sep 14, 2099
Sep 26, 2117

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). All eclipses in this table occur at the Moon's descending node.[9]

Octon series with 21 events between May 21, 1993 and August 2, 2065
May 20–21 March 8–9 December 25–26 October 13–14 August 1–2
98 100 102 104 106
May 21, 1955 March 9, 1959 December 26, 1962 October 14, 1966 August 2, 1970
108 110 112 114 116
May 21, 1974 March 9, 1978 December 26, 1981 October 14, 1985 August 1, 1989
118 120 122 124 126

May 21, 1993
March 9, 1997
December 25, 2000
October 14, 2004
August 1, 2008
128 130 132 134 136

May 20, 2012
March 9, 2016
December 26, 2019
October 14, 2023
August 2, 2027
138 140 142 144 146

May 21, 2031
March 9, 2035
December 26, 2038
October 14, 2042
August 2, 2046
148 150 152 154 156

May 20, 2050
March 9, 2054
December 26, 2057
October 13, 2061
August 2, 2065
158 160 162 164 166

May 20, 2069		 March 8, 2073 December 26, 2076 October 13, 2080 August 1, 2084

References
  1. "Total Solar Eclipse on August 2, 2027: Path Map and Times". www.timeanddate.com. Retrieved 2024-03-23.
  2. "Longest Duration of Total Solar Eclipse of 2027 Aug 02". NASA Goddard Space Flight Center. NASA. Retrieved 7 September 2017.
  3. "Map of Solar Eclipse of August 2, 2027" (Map). "Solar Eclipse Maps". NASA. Retrieved October 21, 2017.
  4. https://eclipse-spain.es/index.php/en/
  5. Fred Espenak. "Total Solar Eclipse of 2009 Jul 22 - Google Maps and Solar Eclipse Paths". NASA Eclipse Web Site. Archived from the original on 22 July 2009.
  6. Fred Espenak. "Total Solar Eclipses with Durations Exceeding 06m 00s: 2001 to 3000". NASA Eclipse Web Site. Archived from the original on 10 March 2014.
  7. 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.
  8. SEsaros136 at NASA.gov
  9. Note S1: Eclipses & Predictions in Freeth, Tony (2014). "Eclipse Prediction on the Ancient Greek Astronomical Calculating Machine Known as the Antikythera Mechanism". PLOS ONE. 9 (7): e103275. Bibcode:2014PLoSO...9j3275F. doi:10.1371/journal.pone.0103275. PMC 4116162. PMID 25075747.
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