<P> Each member 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 . </P> <Table> <Tr> <Th_colspan="5"> (show) Solar eclipse series sets from 2015--18 </Th> </Tr> <Tr> <Th_colspan="2"> Descending node </Th> <Td> </Td> <Th_colspan="2"> Ascending node </Th> </Tr> <Tr> <Th> Saros </Th> <Th> Map </Th> <Th> Saros </Th> <Th> Map </Th> </Tr> <Tr> <Td> 120 Longyearbyen, Svalbard </Td> <Td> March 20, 2015 Total </Td> <Td> 125 </Td> <Td> September 13, 2015 Partial </Td> </Tr> <Tr> <Td> 130 Balikpapan, Indonesia </Td> <Td> March 9, 2016 Total </Td> <Td> 135 L'Étang - Salé, Réunion </Td> <Td> September 1, 2016 Annular </Td> </Tr> <Tr> <Td> 140 Partial from Buenos Aires </Td> <Td> February 26, 2017 Annular </Td> <Td> 145 Oregon </Td> <Td> August 21, 2017 Total </Td> </Tr> <Tr> <Td> 150 </Td> <Td> February 15, 2018 Partial </Td> <Td> 155 </Td> <Td> August 11, 2018 Partial </Td> </Tr> <Tr> <Th_colspan="7"> Partial solar eclipses on July 13, 2018, and January 6, 2019, occur during the next semester series . </Th> </Tr> </Table> <Tr> <Th_colspan="5"> (show) Solar eclipse series sets from 2015--18 </Th> </Tr> <Tr> <Th_colspan="2"> Descending node </Th> <Td> </Td> <Th_colspan="2"> Ascending node </Th> </Tr>

Timings of solar eclipse 21 august 2017 in india