Solar eclipse of September 21, 2025

A partial solar eclipse will occur at the Moon’s descending node of orbit on Sunday, September 21, 2025, with a magnitude of 0.855. A solar eclipse occurs when the Moon passes between the Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A partial solar eclipse occurs in the polar regions of the Earth when the center of the Moon's shadow misses the Earth. Partiality will be visible across much of the South Pacific and Antarctica, with up to 73% coverage being visible in mainland New Zealand.[1]

Solar eclipse of September 21, 2025
Map
Type of eclipse
NaturePartial
Gamma−1.0651
Magnitude0.855
Maximum eclipse
Coordinates60.9°S 153.5°E / -60.9; 153.5
Times (UTC)
Greatest eclipse19:43:04
References
Saros154 (7 of 71)
Catalog # (SE5000)9564

Images


Animated path

Eclipses of 2025

Metonic

Tzolkinex

Half-Saros

Tritos

Solar Saros 154

Inex

Triad

Solar eclipses of 2022–2025

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.[2]

Solar eclipse series sets from 2022 to 2025
Ascending node   Descending node
Saros Map Gamma Saros Map Gamma
119

Partial from CTIO, Chile		 2022 April 30

Partial		 −1.19008 124

Partial from Saratov, Russia		 2022 October 25

Partial		 1.07014
129

Total from
East Timor		 2023 April 20

Hybrid		 −0.39515 134

Annular from
Campeche, Mexico		 2023 October 14

Annular		 0.37534
139

Total from
Indianapolis, USA		 2024 April 8

Total		 0.34314 144 2024 October 2

Annular		 −0.35087
149 2025 March 29

Partial		 1.04053 154 2025 September 21

Partial		 −1.06509

Saros 154

It is a part of Saros cycle 154, repeating every 18 years, 11 days, containing 71 events. The series started with a partial solar eclipse on July 19, 1917. It contains annular eclipses from October 3, 2043, through March 27, 2332, hybrid eclipses from April 7, 2350, through April 29, 2386, and total eclipses from May 9, 2404, through May 29, 3035. The series ends at member 71 as a partial eclipse on August 25, 3179. The longest duration of totality will be 4 minutes, 50 seconds on July 25, 2530.

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.

21 eclipse events, progressing from north to south between July 11, 1953 and July 11, 2029
July 10–12 April 29–30 February 15–16 December 4–5 September 21–23
116 118 120 122 124

July 11, 1953
April 30, 1957
February 15, 1961
December 4, 1964
September 22, 1968
126 128 130 132 134

July 10, 1972
April 29, 1976
February 16, 1980
December 4, 1983
September 23, 1987
136 138 140 142 144

July 11, 1991
April 29, 1995
February 16, 1999
December 4, 2002
September 22, 2006
146 148 150 152 154

July 11, 2010
April 29, 2014
February 15, 2018
December 4, 2021
September 21, 2025
156 158 160 162 164

July 11, 2029

References
  1. "Partial Solar Eclipse on September 21, 2025: Path Map and Times". www.timeanddate.com. Retrieved 2024-04-11.
  2. 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.
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