Equinox and solstice dates by year: why they move
The equinox has no fixed date: in UTC, September's falls on the 23rd in 2026 and on the 22nd in 2028. Type a year in the tool to get its four dates.
Articles
How to get the most from each tool on this site: why it exists, what to type in, how to read the answer, and the questions people search for.
Each article takes one question about a tool on this site and answers it: why you would need the tool, what to type in, and how to read what comes back.
Many start from a question people type into a search engine, such as why an IBAN was refused or what time golden hour starts. The answer runs through the tool, so you can check it on your own case.
When is the next equinox where you live?
The next equinox is on 20 March 2027 at 20:24 UTC: 16:24 in New York, 21:24 in Paris. Type 2027 and your city in the tool and read the Local time column.
Why equinox dates disagree: 22 or 23 September?
The September 2026 equinox is one instant: 00:05 UTC on 23 September, but 20:05 on the 22nd in New York. The city you pick in the tool decides the date.
When is Chicagohenge and Manhattanhenge? 2026–2027 dates
Chicagohenge: 19–23 September 2026 and 19–23 March 2027. Manhattanhenge: 25 May–8 June and 3–17 July 2027. How to get the dates, and your own street's.