September equinox 2027
23 September 2027, 21:00 local time in every city. This is the September equinox, when day and night are almost equal everywhere.
The sky at that moment, city by city
| City | Local time | Sky | Moon | Above the horizon |
|---|---|---|---|---|
| New York | 23 Sept, 21:00 | Dark sky | below horizon | 2,970 stars; Arcturus, Vega, Capella |
| Los Angeles | 23 Sept, 21:00 | Dark sky | below horizon | 2,994 stars; Arcturus, Vega, Altair |
| Mexico City | 23 Sept, 21:00 | Dark sky | below horizon | 3,008 stars; Vega, Altair, Antares |
| Sao Paulo | 23 Sept, 21:00 | Dark sky | below horizon | 3,122 stars; Rigil Kentaurus, Vega, Achernar |
| London | 23 Sept, 21:00 | Dark sky | below horizon | 2,934 stars; Arcturus, Vega, Capella |
| Paris | 23 Sept, 21:00 | Dark sky | below horizon | 2,932 stars; Arcturus, Vega, Capella |
| Cairo | 23 Sept, 21:00 | Dark sky | below horizon | 2,994 stars; Arcturus, Vega, Altair |
| Mumbai | 23 Sept, 21:00 | Dark sky | below horizon | 3,000 stars; Vega, Altair, Antares |
| Tokyo | 23 Sept, 21:00 | Dark sky | below horizon | 2,968 stars; Vega, Capella, Altair |
| Sydney | 23 Sept, 21:00 | Dark sky | below horizon | 3,147 stars; Rigil Kentaurus, Vega, Achernar |
Computed from the HYG star catalogue and the Sun and Moon positions for each city's exact coordinates, not copied from a table. Fully dark then in New York, Los Angeles, Mexico City, Sao Paulo, London, Paris, Cairo, Mumbai, Tokyo, Sydney.
Keep this night on your wall
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Other sky events
Orionid meteor shower · Leonid meteor shower · Geminid meteor shower · December solstice · Quadrantid meteor shower · Annular solar eclipse of 6 February 2027 · March equinox · Lyrid meteor shower · Eta Aquariid meteor shower · June solstice 2027 · Total solar eclipse of 2 August 2027 · Perseid meteor shower · Geminid meteor shower 2027 · Annular solar eclipse of 26 January 2028 · Total solar eclipse of 22 July 2028 · All events