1. The spring and autumn equinox ; intersect with the sun at right angles. 2. Originally the pre-Christian rite was performed on Autumn equinox ( 23 September ). 3. Japan's financial markets were closed Monday for Autumn Equinox Day, a national holiday. 4. Tishri 1, however, is not determined directly by its relationship to the Autumn Equinox . 5. In lunar religious calendars, Ashvin begins on the new moon after the autumn equinox . 6. Young crickets must mature before fighting; thus the high season begins near the autumn equinox . 7. Outside the tropics, it will not begin to form tubers until approximately the autumn equinox . 8. Cricket season begins in summer and championships take place after the autumn equinox in late September. 9. Moreover, the autumn equinox , which occurs around Sept . 20th, falls within the heart of hurricane season. 10. The first public ceremony of the year, the Autumn Equinox , takes place on Primrose Hill in London.