Question 1

How many hours of daylight does Monterrey get today?

Accepted Answer

Monterrey currently gets approximately 13 hours and 42 minutes of daylight today. This varies throughout the year — days are longest around the summer solstice (June in the Northern Hemisphere, December in the Southern Hemisphere) and shortest around the winter solstice. At 25.7° latitude, Monterrey sees moderate variation, with summer days noticeably longer than winter days. Our calculations use the SunCalc astronomical library for accuracy within 1–2 minutes.

Question 2

What time does the sun rise in Monterrey?

Accepted Answer

Sunrise times in Monterrey change throughout the year based on the Earth's axial tilt and the city's position at 25.7° latitude. Use the table above to see today's exact sunrise time, as well as dawn (civil twilight) and other twilight phases. The earliest sunrise typically occurs around the summer solstice, while the latest sunrise happens near the winter solstice. The difference between earliest and latest sunrise can be over two hours. All sunrise calculations are based on NOAA solar position algorithms via the SunCalc library.

Question 3

What time does the sun set in Monterrey?

Accepted Answer

Sunset times in Monterrey vary by season due to the Earth's orbital mechanics and the city's latitude of 25.7°. Check the table above for today's exact sunset time, including dusk and twilight phases. The latest sunset typically occurs a few days after the summer solstice, while the earliest sunset happens a few days before the winter solstice. At mid-latitudes, you can expect sunset to vary by 2–3 hours across the seasons.

Question 4

How does day length change throughout the year in Monterrey?

Accepted Answer

Monterrey at 25.7° latitude experiences moderate seasonal day length variation. Summer days are noticeably longer than winter days, with daylight typically ranging from about 8 to 16 hours depending on the time of year. The rate of change is fastest around the equinoxes (March and September), when day length changes by several minutes each day. Around the solstices, the rate of change slows as day length approaches its maximum or minimum. This makes spring and autumn the seasons with the most noticeable daily changes in sunrise and sunset times.

Question 5

What is civil twilight in Monterrey?

Accepted Answer

Civil twilight in Monterrey is the period when the sun is between 0° and 6° below the horizon. During civil twilight, there is enough natural light for most outdoor activities without artificial lighting. It occurs just before sunrise (dawn) and just after sunset (dusk). At mid-latitudes, civil twilight typically lasts about 25–35 minutes. The exact duration for Monterrey is shown in the twilight data table above.

Question 6

What are the different twilight phases?

Accepted Answer

There are three twilight phases, each defined by the sun's angle below the horizon. Civil twilight (0°–6°) is the brightest phase, with enough light for outdoor activities without artificial lighting. Nautical twilight (6°–12°) is dimmer but still allows sailors to see the horizon for celestial navigation. Astronomical twilight (12°–18°) is nearly dark, with only the faintest glow on the horizon, and most stars become visible. Below 18° is considered full astronomical night. The duration of each phase varies by latitude and season — our data table above shows all twilight phases for Monterrey.

Question 7

When is the longest day in Monterrey?

Accepted Answer

The longest day in Monterrey occurs around the summer solstice. For Monterrey in the Northern Hemisphere, the longest day is around June 20–21. On this date, Monterrey experiences its earliest sunrise and near-latest sunset of the year. At 25.7° latitude, the longest day is typically 14–16 hours of daylight. The shortest day (winter solstice) occurs approximately six months later.

Question 8

Does daylight saving time affect sunrise and sunset times in Monterrey?

Accepted Answer

Monterrey does not observe daylight saving time, so sunrise and sunset times change only due to natural seasonal variation throughout the year. The gradual shift in sunrise and sunset times follows a smooth curve driven by the Earth's axial tilt and orbital position. This makes it easier to predict sunrise and sunset patterns in Monterrey compared to cities that observe DST, where clock changes create abrupt jumps in the schedule.

Astronomical Dawn	4:21:23 AM
Nautical Dawn	4:53:58 AM
Civil Dawn	5:25:00 AM
Sunrise	5:50:51 AM
Golden Hour End	6:24:06 AM
Solar Noon	12:41:44 PM
Golden Hour Start	6:59:22 PM
Sunset	7:32:38 PM
Civil Dusk	7:58:29 PM
Nautical Dusk	8:29:31 PM
Astronomical Dusk	9:02:06 PM
Day Length	13h 42m

Moonrise	12:52:56 AM
Moonset	1:10:09 PM
Moon Phase	🌗 Last Quarter
Illumination	45%

Date	Sunrise	Sunset	Day Length	Moonrise	Moonset	Phase
Jun 1, Mon	5:51 AM	7:29 PM	13h 38m	8:11 PM	6:37 AM	🌕
Jun 2, Tue	5:51 AM	7:30 PM	13h 39m	9:02 PM	7:29 AM	🌖
Jun 3, Wed	5:51 AM	7:30 PM	13h 39m	9:50 PM	8:24 AM	🌖
Jun 4, Thu	5:51 AM	7:30 PM	13h 40m	10:33 PM	9:21 AM	🌖
Jun 5, Fri	5:51 AM	7:31 PM	13h 40m	11:11 PM	10:18 AM	🌖
Jun 6, Sat	5:50 AM	7:31 PM	13h 41m	11:47 PM	11:15 AM	🌗
Jun 7, Sun	5:50 AM	7:32 PM	13h 41m	12:20 AM	12:12 PM	🌗
Jun 8, Mon	5:50 AM	7:32 PM	13h 42m	12:52 AM	1:10 PM	🌗
Jun 9, Tue	5:50 AM	7:33 PM	13h 42m	1:25 AM	2:09 PM	🌗
Jun 10, Wed	5:50 AM	7:33 PM	13h 43m	1:58 AM	3:10 PM	🌘
Jun 11, Thu	5:50 AM	7:33 PM	13h 43m	2:36 AM	4:15 PM	🌘
Jun 12, Fri	5:50 AM	7:34 PM	13h 43m	3:18 AM	5:23 PM	🌘
Jun 13, Sat	5:50 AM	7:34 PM	13h 43m	4:06 AM	—	🌑
Jun 14, Sun	5:51 AM	7:34 PM	13h 44m	5:02 AM	6:32 PM	🌑
Jun 15, Mon	5:51 AM	7:35 PM	13h 44m	6:05 AM	7:40 PM	🌑
Jun 16, Tue	5:51 AM	7:35 PM	13h 44m	7:13 AM	8:43 PM	🌒
Jun 17, Wed	5:51 AM	7:35 PM	13h 44m	8:23 AM	9:38 PM	🌒
Jun 18, Thu	5:51 AM	7:35 PM	13h 44m	9:30 AM	10:26 PM	🌒
Jun 19, Fri	5:51 AM	7:36 PM	13h 44m	10:34 AM	11:07 PM	🌒
Jun 20, Sat	5:51 AM	7:36 PM	13h 45m	11:34 AM	11:43 PM	🌓
Jun 21, Sun	5:52 AM	7:36 PM	13h 45m	12:32 PM	12:16 AM	🌓
Jun 22, Mon	5:52 AM	7:36 PM	13h 45m	1:28 PM	12:47 AM	🌓
Jun 23, Tue	5:52 AM	7:36 PM	13h 44m	2:23 PM	1:18 AM	🌓
Jun 24, Wed	5:52 AM	7:37 PM	13h 44m	3:18 PM	1:50 AM	🌔
Jun 25, Thu	5:52 AM	7:37 PM	13h 44m	4:14 PM	2:24 AM	🌔
Jun 26, Fri	5:53 AM	7:37 PM	13h 44m	5:09 PM	3:03 AM	🌔
Jun 27, Sat	5:53 AM	7:37 PM	13h 44m	—	3:44 AM	🌔
Jun 28, Sun	5:53 AM	7:37 PM	13h 44m	6:04 PM	4:31 AM	🌕
Jun 29, Mon	5:54 AM	7:37 PM	13h 44m	6:56 PM	5:21 AM	🌕
Jun 30, Tue	5:54 AM	7:37 PM	13h 43m	7:45 PM	6:16 AM	🌕

Sunrise & Sunset in Monterrey, Mexico

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Moon

Monthly Summary — June 2026

Twilight Phases in Monterrey

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