Site & performance · Mexico
Sun path diagram for Mexico City
Solstice and equinox sun paths, sunrise, sunset and day length for Mexico City, computed for 2026 in local clock time.
The generator preloads Mexico City, works out the UTC offset for any date from its time zone, and lets you change the projection, add obstructions and export SVG, PNG or CSV. All calculations run in your browser.
Sunrise, sunset and day length in Mexico City
Local clock times for 2026 from the SunCalc engine, using the standard −0.833° sunrise and sunset horizon. Solar noon is when the sun crosses the local meridian; noon altitude is its height above the horizon at that moment.
| Date | Clock | Sunrise | Sunset | Solar noon | Day length | Noon altitude |
|---|---|---|---|---|---|---|
| March 20 equinox | UTC−6 | 06:41 | 18:48 | 12:45 | 12 h 07 min | 70.5° |
| June 21 solstice | UTC−6 | 06:00 | 19:18 | 12:39 | 13 h 18 min | 86.0° |
| September 22 equinox | UTC−6 | 06:26 | 18:34 | 12:30 | 12 h 08 min | 70.8° |
| December 21 solstice | UTC−6 | 07:07 | 18:04 | 12:35 | 10 h 57 min | 47.1° |
Where Mexico City sits and how its clock works
Mexico City lies at 19.43° north, 99.13° west, in the northern hemisphere's tropical belt. Its clocks follow the America/Mexico_City time zone, UTC−6 all year, so no daylight-saving shift applies to the times on this page.
Sun angles through the year in Mexico City
Because Mexico City lies inside the tropics, the noon sun passes to the north of overhead on June 21, at 86° above the horizon, and to the south on December 21, at 47.1°. In between it crosses the zenith twice a year, so at the March and September equinoxes it stands at about 70.6°, which is 90° minus the latitude. The noon sun is never lower than 47.1°, and both the north and south sides of a building take direct noon sun for part of the year.
Sunrise swings a long way along the horizon during the year. On June 21 the sun rises at azimuth 64.8° (north-east) and sets at 295.4° (north-west); on December 21 it rises at 114.7° and sets at 245.4°. At the equinoxes it rises close to due east and sets close to due west. That 50° swing means east- and west-facing windows see low sun every morning and evening of the year, drifting between north-east and south-east at sunrise.
Day length, sunrise and sunset
Daylight runs from 13 h 18 min on June 21 to 10 h 57 min on December 21, a difference of 2 h 21 min. Sunrise moves between 06:00 and 07:07 across the year and sunset between 18:04 and 19:18 on the local clock. Solar noon falls at 12:39 on June 21 and 12:35 on December 21, close to the middle of the day.
What this means for buildings in Mexico City
For design, the high sun means roofs and other horizontal surfaces receive the strongest radiation, and shading needs to work on both the north and south facades depending on the season. Overhangs are effective because the noon sun is steep, never below 47.1° at either solstice, but the low east and west sun in the morning and evening is the main source of glare and heat. Keeping the long facades facing north and south, and the short ones east and west, limits that exposure.
Reading the diagram
The diagram uses the equidistant projection: the centre is the zenith, the outer ring is the horizon and the rings between mark 30° and 60° altitude, with north at the top and azimuth running clockwise. The dark curve is the September equinox, amber is June 21 and grey is December 21; the band between the amber and grey curves is the only part of the sky the sun ever occupies over Mexico City, and dots mark every second clock hour. Open the generator to switch to a stereographic projection, choose any date, add up to eight obstructions and export the diagram as SVG or PNG, or the hourly data as CSV.