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A total solar eclipse will occur at the Moon's ascending node of orbit on Wednesday, April 20, 2061,[1] with a magnitude of 1.0475. 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. Occurring about 1.1 days before perigee (on April 21, 2061, at 4:00 UTC), the Moon's apparent diameter will be larger.[2]
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The eclipse will begin over Southern Russia and eastern Ukraine at sunrise and the moon shadow will move rapidly in a northeastern direction over west Kazakhstan (West Kazakhstan Region). The shadow will cover the Urals and races over the Arctic Ocean in a north-westerly direction and reaches the Svalbard archipelago. At sunset the eclipse will end just before the coast of Greenland.
The greatest eclipse will be in Russia on the east of Komi Republic (in Europe), ~120 km to south-east of Pechora.
A partial solar eclipse will also be visible for parts of Eastern Europe, Asia, Alaska, and northwestern Canada.
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Shown below are two tables displaying details about this particular solar eclipse. The first table outlines times at which the moon's penumbra or umbra attains the specific parameter, and the second table describes various other parameters pertaining to this eclipse.[3]
| Event | Time (UTC) |
|---|---|
| First Penumbral External Contact | 2061 April 20 at 00:52:32.9 UTC |
| First Umbral External Contact | 2061 April 20 at 02:23:47.2 UTC |
| First Central Line | 2061 April 20 at 02:27:39.9 UTC |
| First Umbral Internal Contact | 2061 April 20 at 02:32:06.2 UTC |
| Greatest Eclipse | 2061 April 20 at 02:56:49.1 UTC |
| Ecliptic Conjunction | 2061 April 20 at 03:06:25.5 UTC |
| Equatorial Conjunction | 2061 April 20 at 03:45:10.8 UTC |
| Greatest Duration | 2061 April 20 at 09:41:30.5 UTC |
| Last Umbral Internal Contact | 2061 April 20 at 03:21:00.1 UTC |
| Last Central Line | 2061 April 20 at 03:25:27.9 UTC |
| Last Umbral External Contact | 2061 April 20 at 03:29:22.2 UTC |
| Last Penumbral External Contact | 2061 April 20 at 05:00:43.2 UTC |
| Parameter | Value |
|---|---|
| Eclipse Magnitude | 1.04755 |
| Eclipse Obscuration | 1.09736 |
| Gamma | 0.95776 |
| Sun Right Ascension | 01h53m47.8s |
| Sun Declination | +11°39'59.8" |
| Sun Semi-Diameter | 15'55.3" |
| Sun Equatorial Horizontal Parallax | 08.8" |
| Moon Right Ascension | 01h52m03.2s |
| Moon Declination | +12°32'19.1" |
| Moon Semi-Diameter | 16'36.4" |
| Moon Equatorial Horizontal Parallax | 1°00'56.9" |
| ΔT | 91.3 s |
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This eclipse is part of an eclipse season, a period, roughly every six months, when eclipses occur. Only two (or occasionally three) eclipse seasons occur each year, and each season lasts about 35 days and repeats just short of six months (173 days) later; thus two full eclipse seasons always occur each year. Either two or three eclipses happen each eclipse season. In the sequence below, each eclipse is separated by a fortnight.
| April 4 Descending node (full moon) | April 20 Ascending node (new moon) |
|---|---|
 | |
| Total lunar eclipse Lunar Saros 123 | Total solar eclipse Solar Saros 149 |
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Eclipses in 2061
- A total lunar eclipse on April 4.
- A total solar eclipse on April 20.
- A total lunar eclipse on September 29.
- An annular solar eclipse on October 13.
Metonic
- Preceded by: Solar eclipse of July 1, 2057
- Followed by: Solar eclipse of February 5, 2065
Tzolkinex
- Preceded by: Solar eclipse of March 9, 2054
- Followed by: Solar eclipse of May 31, 2068
Half-Saros
- Preceded by: Lunar eclipse of April 14, 2052
- Followed by: Lunar eclipse of April 25, 2070
Tritos
- Preceded by: Solar eclipse of May 20, 2050
- Followed by: Solar eclipse of March 19, 2072
Solar Saros 149
- Preceded by: Solar eclipse of April 9, 2043
- Followed by: Solar eclipse of May 1, 2079
Inex
- Preceded by: Solar eclipse of May 9, 2032
- Followed by: Solar eclipse of March 31, 2090
Triad
- Preceded by: Solar eclipse of June 20, 1974
- Followed by: Solar eclipse of February 19, 2148
Solar eclipses of 2058–2061
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.[4]
The partial solar eclipse on June 21, 2058 occurs in the previous lunar year eclipse set.
| Solar eclipse series sets from 2058 to 2061 | ||||||
|---|---|---|---|---|---|---|
| Ascending node | Descending node | |||||
| Saros | Map | Gamma | Saros | Map | Gamma | |
| 119 | May 22, 2058 Partial |
−1.3194 | 124 | November 16, 2058 Partial |
1.1224 | |
| 129 | May 11, 2059 Total |
−0.508 | 134 | November 5, 2059 Annular |
0.4454 | |
| 139 | April 30, 2060 Total |
0.2422 | 144 | October 24, 2060 Annular |
−0.2625 | |
| 149 | April 20, 2061 Total |
0.9578 | 154 | October 13, 2061 Annular |
−0.9639 | |
Saros 149
This eclipse is a part of Saros series 149, repeating every 18 years, 11 days, and containing 71 events. The series started with a partial solar eclipse on August 21, 1664. It contains total eclipses from April 9, 2043 through October 2, 2331; hybrid eclipses from October 13, 2349 through November 3, 2385; and annular eclipses from November 15, 2403 through July 13, 2800. The series ends at member 71 as a partial eclipse on September 28, 2926. Its eclipses are tabulated in three columns; every third eclipse in the same column is one exeligmos apart, so they all cast shadows over approximately the same parts of the Earth.
The longest duration of totality will be produced by member 31 at 4 minutes, 10 seconds on July 17, 2205, and the longest duration of annularity will be produced by member 62 at 5 minutes, 6 seconds on June 21, 2764. All eclipses in this series occur at the Moon’s ascending node of orbit.[5]
| Series members 9–30 occur between 1801 and 2200: | ||
|---|---|---|
| 9 | 10 | 11 |
 November 18, 1808 |
 November 29, 1826 |
 December 9, 1844 |
| 12 | 13 | 14 |
 December 21, 1862 |
 December 31, 1880 |
 January 11, 1899 |
| 15 | 16 | 17 |
 January 23, 1917 |
 February 3, 1935 |
 February 14, 1953 |
| 18 | 19 | 20 |
 February 25, 1971 |
 March 7, 1989 |
 March 19, 2007 |
| 21 | 22 | 23 |
 March 29, 2025 |
 April 9, 2043 |
April 20, 2061 |
| 24 | 25 | 26 |
 May 1, 2079 |
 May 11, 2097 |
 May 24, 2115 |
| 27 | 28 | 29 |
 June 3, 2133 |
 June 14, 2151 |
 June 25, 2169 |
| 30 | ||
 July 6, 2187 | ||
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 ascending node.
| 21 eclipse events between July 1, 2000 and July 1, 2076 | ||||
|---|---|---|---|---|
| July 1–2 | April 19–20 | February 5–7 | November 24–25 | September 12–13 |
| 117 | 119 | 121 | 123 | 125 |
 July 1, 2000 |
 April 19, 2004 |
 February 7, 2008 |
 November 25, 2011 |
 September 13, 2015 |
| 127 | 129 | 131 | 133 | 135 |
 July 2, 2019 |
 April 20, 2023 |
 February 6, 2027 |
 November 25, 2030 |
 September 12, 2034 |
| 137 | 139 | 141 | 143 | 145 |
 July 2, 2038 |
 April 20, 2042 |
 February 5, 2046 |
 November 25, 2049 |
 September 12, 2053 |
| 147 | 149 | 151 | 153 | 155 |
 July 1, 2057 |
April 20, 2061 |
 February 5, 2065 |
 November 24, 2068 |
 September 12, 2072 |
| 157 | ||||
 July 1, 2076 | ||||
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.
| Series members between 1801 and 2200 | ||||
|---|---|---|---|---|
 April 4, 1810 (Saros 126) |
 March 4, 1821 (Saros 127) |
 February 1, 1832 (Saros 128) |
 December 31, 1842 (Saros 129) |
 November 30, 1853 (Saros 130) |
 October 30, 1864 (Saros 131) |
 September 29, 1875 (Saros 132) |
 August 29, 1886 (Saros 133) |
 July 29, 1897 (Saros 134) |
 June 28, 1908 (Saros 135) |
 May 29, 1919 (Saros 136) |
 April 28, 1930 (Saros 137) |
 March 27, 1941 (Saros 138) |
 February 25, 1952 (Saros 139) |
 January 25, 1963 (Saros 140) |
 December 24, 1973 (Saros 141) |
 November 22, 1984 (Saros 142) |
 October 24, 1995 (Saros 143) |
 September 22, 2006 (Saros 144) |
 August 21, 2017 (Saros 145) |
 July 22, 2028 (Saros 146) |
 June 21, 2039 (Saros 147) |
 May 20, 2050 (Saros 148) |
April 20, 2061 (Saros 149) |
 March 19, 2072 (Saros 150) |
 February 16, 2083 (Saros 151) |
 January 16, 2094 (Saros 152) |
 December 17, 2104 (Saros 153) |
 November 16, 2115 (Saros 154) |
 October 16, 2126 (Saros 155) |
 September 15, 2137 (Saros 156) |
 August 14, 2148 (Saros 157) |
 July 15, 2159 (Saros 158) |
 June 14, 2170 (Saros 159) |
 May 13, 2181 (Saros 160) |
 April 12, 2192 (Saros 161) | ||||
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.
| Series members between 1801 and 2200 | ||
|---|---|---|
 September 28, 1829 (Saros 141) |
 September 7, 1858 (Saros 142) |
 August 19, 1887 (Saros 143) |
 July 30, 1916 (Saros 144) |
 July 9, 1945 (Saros 145) |
 June 20, 1974 (Saros 146) |
 May 31, 2003 (Saros 147) |
 May 9, 2032 (Saros 148) |
April 20, 2061 (Saros 149) |
 March 31, 2090 (Saros 150) |
 March 11, 2119 (Saros 151) |
 February 19, 2148 (Saros 152) |
 January 29, 2177 (Saros 153) |
||
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