Solar eclipse of July 31, 2000

• A total lunar eclipse on January 21.
• A partial solar eclipse on February 5.
• A partial solar eclipse on July 1.
• A total lunar eclipse on July 16.
• A partial solar eclipse on July 31.
• A partial solar eclipse on December 25.

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]

Solar eclipse series sets from 1997–2000
Descending node				Ascending node
Saros	Map	Gamma		Saros	Map	Gamma
120 Chita, Russia	1997 March 9 Total	0.91830		125	1997 September 2 Partial	-1.03521
130 Total eclipse near Guadelope	1998 February 26 Total	0.23909		135	1998 August 22 Annular	-0.26441
140	1999 February 16 Annular	-0.47260		145 Totality from France	1999 August 11 Total	0.50623
150	2000 February 5 Partial	-1.22325		155	2000 July 31 Partial	1.21664
Partial solar eclipses on July 1, 2000 and December 25, 2000 occur in the next lunar year eclipse set.

It is a part of Saros cycle 155, repeating every 18 years, 11 days (223 synodic months), contains 71 events. The series started with a partial solar eclipse on June 17, 1928. It has total eclipses from September 12, 2072 to August 30, 2649. The series also has 3 hybrid eclipses from September 10, 2667 to October 3, 2703 and 20 annular eclipses from October 13, 2721 to May 8, 3064.

The series ends at member 71 as a partial eclipse on July 24, 3190. The longest total eclipses will be on October 26, 2144 and on November 7, 2162, at 4 minutes and 5 seconds.[2]

Series members 1–10 occur between 1901 and 2100:
1	2	3
June 17, 1928	June 29, 1946	July 9, 1964
4	5	6
July 20, 1982	July 31, 2000	August 11, 2018
7	8	9
August 21, 2036	September 2, 2054	September 12, 2072
10
September 23, 2090

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.

22 eclipse events between December 24, 1916 and July 31, 2000
December 24–25	October 12–13	July 31-Aug 1	May 18–20	March 7–8
91	93	95	97	99
December 23, 1878	October 12, 1882	July 31, 1886	May 18, 1890	March 7, 1894
101	103	105	107	109
December 23, 1897	October 12, 1901	August 1, 1905	May 19, 1909	March 8, 1913
111	113	115	117	119
December 24, 1916	October 12, 1920	July 31, 1924	May 19, 1928	March 7, 1932
121	123	125	127	129
December 25, 1935	October 12, 1939	August 1, 1943	May 20, 1947	March 7, 1951
131	133	135	137	139
December 25, 1954	October 12, 1958	July 31, 1962	May 20, 1966	March 7, 1970
141	143	145	147	149
December 24, 1973	October 12, 1977	July 31, 1981	May 19, 1985	March 7, 1989
151	153	155	157	159
December 24, 1992	October 12, 1996	July 31, 2000	May 19, 2004	March 7, 2008
161	163	165	167	169
December 24, 2011	October 13, 2015	August 1, 2019	May 19, 2023	March 8, 2027