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37.9600° N122.0000° WBortle 8Los Angeles

Markham Regional Arboretum Photography Guide

Botanical Garden in Contra Costa County, California

  • Bortle 8 sky
  • Sunset azimuth 241°–301°
  • Clearest: July
  • Milky Way Mar–Sep
Photo: Miguel Vieira · CC BY 2.0 · source

Markham Regional Arboretum — a botanical garden in Contra Costa County, California — is a lesser-known subject for landscape photographers. The nearest town is Concord, about 3.4 km (2.1 mi) away (Markham Regional Arboretum lies SE of town).

The Markham Nature Park and Arboretum, also known as Concord Nature Area and Markham Nature Area, is a natural arboretum in Concord, California.From the Wikipedia article “Markham Nature Park and Arboretum”, licensed under CC BY-SA 4.0.
Nearest town
Concord
3.4 km (2.1 mi)
Sky darkness
Bortle 8
City sky
Clearest month
July
12% cloud
Milky Way peak
June
5.3 h window
Golden hour (Oct)
5:56 PM
sunset 6:32 PM

Light at Markham Regional Arboretum

Live
Sunrise
7:22 AM
Sunset
6:25 PM
Golden hour AM
7:06 AM – 7:58 AM
Golden hour PM
5:49 PM – 6:41 PM
Blue hour AM
6:55 AM – 7:06 AM
Blue hour PM
6:41 PM – 6:51 PM
Full darkness
7:53 PM – 5:55 AM
Moon
Waxing Gibbous · 71%
Moonrise / set
3:36 PM / 1:34 AM
Day length
11h 03m
Sunrise azimuth
103°
Sunset azimuth
257°
000306091215182124
NightTwilightBlue hourGolden hourDaylight

Times in America/Los Angeles. Golden hour = sun −4° to +6°; blue hour = −6° to −4°.

Clouds at sunrise & sunset

NWS

Hourly sky cover from the National Weather Service. 20–60% cloud often gives the most colorful sunrises and sunsets.

Sunrise & sunset directions

At Markham Regional Arboretum the sunrise point swings a long way through the year: about 59° (ENE) at the June solstice and 120° (ESE) in late December. Sunset moves from 301° (WNW) in June to 241° (WSW) in December, and the midday sun climbs to 75° in summer but only 29° in winter.

NESW60°30°
June solsticeEquinoxesDecember solstice
DateSunriseAzimuthSunsetAzimuthNoon sunDaylight
March equinox (Mar 20)7:12 AM90° E7:20 PM271° W52°12h 08m
June solstice (Jun 21)5:47 AM59° ENE8:35 PM301° WNW75°14h 48m
September equinox (Sep 22)6:57 AM89° E7:07 PM271° W52°12h 10m
December solstice (Dec 21)7:21 AM120° ESE4:53 PM241° WSW29°9h 32m

Azimuth is measured clockwise from true north (90° = east, 270° = west). Computed for 2026; values change by less than a degree from year to year.

Golden hour & blue hour by month

Gardens are best on bright overcast days or early mornings when dew is fresh and the wind is calm.

Month (15th)Blue hour startsSunriseGolden hour endsGolden hour startsSunsetBlue hour endsDaylight
January6:55 AM7:23 AM8:03 AM4:33 PM5:13 PM5:42 PM9h 49m
February6:32 AM6:59 AM7:35 AM5:11 PM5:47 PM6:14 PM10h 48m
March6:54 AM7:20 AM7:55 AM6:41 PM7:16 PM7:42 PM11h 56m
April6:06 AM6:33 AM7:08 AM7:09 PM7:44 PM8:11 PM13h 11m
May5:29 AM5:59 AM6:36 AM7:34 PM8:12 PM8:41 PM14h 13m
June5:14 AM5:46 AM6:25 AM7:54 PM8:33 PM9:04 PM14h 47m
July5:28 AM5:58 AM6:37 AM7:52 PM8:31 PM9:01 PM14h 33m
August5:56 AM6:24 AM7:00 AM7:27 PM8:03 PM8:31 PM13h 39m
September6:24 AM6:51 AM7:25 AM6:43 PM7:18 PM7:44 PM12h 27m
October6:51 AM7:17 AM7:53 AM5:56 PM6:32 PM6:58 PM11h 15m
November6:21 AM6:50 AM7:28 AM4:19 PM4:58 PM5:26 PM10h 08m
December6:48 AM7:18 AM7:59 AM4:09 PM4:50 PM5:20 PM9h 33m

Local time (America/Los Angeles), including daylight saving time. Golden hour runs from about −4° to +6° solar altitude, so the morning golden hour begins during blue hour, before sunrise.

Milky Way & night sky

From Markham Regional Arboretum, the Milky Way core is visible in a dark sky from March through September. June gives the longest window (about 5.3 hours on a moonless night), and the core peaks around 23° above the southern horizon. Our light-pollution model puts the sky at about Bortle 8 (city sky), so expect visible sky glow; drive away from towns for better results.

MonthCore visible (15th)HoursMax altitudeDirection
JanuaryBelow 10° in darkness—-1°—
February5:06 AM – 5:26 AM0.313°SE → SE
March4:13 AM – 5:43 AM1.519°SE → SSE
April2:18 AM – 4:58 AM2.723°SE → S
May12:17 AM – 4:07 AM3.823°SE → SSW
June10:29 PM – 3:49 AM5.323°SE → SW
July10:22 PM – 2:22 AM4.023°SSE → SW
August9:41 PM – 12:21 AM2.723°S → SW
September8:47 PM – 10:17 PM1.520°SSW → SW
October7:59 PM – 8:19 PM0.313°SW → SW
NovemberBelow 10° in darkness—1°—
DecemberBelow 10° in darkness—-19°—

Window when the galactic core is at least 10° high during astronomical darkness on the 15th of each month. Pick nights within a few days of the new moon. Plan exact nights with the Milky Way planner.

Estimated sky darkness: 8 Bortle 8 — City sky. Only bright constellations are visible; the sky glows orange or white. Modeled zenith brightness ≈ 18.31 mag/arcsec².

Weather & best season

Long-term NASA satellite data for this area show July as the clearest month (about 12% average cloud cover) and January as the cloudiest (54%). July is the warmest month and December the coldest, which matters for gear, snow access and how long batteries last at night.

Average cloud cover (%)

JanFebMarAprMayJunJulAugSepOctNovDec
JanFebMarAprMayJunJulAugSepOctNovDec
High °F747785951081101161131141038971
Low °F222729323943495046382724
Precip. (in)2.93.12.41.30.50.10.00.00.10.81.73.6

Monthly climatology for the surrounding 1° grid cell from NASA POWER (MERRA-2). Mountain sites can be colder and cloudier than the cell average.

Photography tips for this botanical garden

  • A macro lens or close-up filter opens a world of detail — try a shallow aperture against a soft background.
  • Many gardens restrict tripods or charge for photography; check the rules before you go.
  • Backlit petals glow; position yourself so the sun is behind the flower.
  • Seasonal exhibits (orchids, tulips, cherry blossoms) draw crowds — arrive at opening.
  • Kaleidoscopic and abstract images are great for flower close-ups — try the online kaleidoscope tool.
  • Scout in daylight if you plan to shoot at night or before sunrise.

Season: Spring bulbs and blossoms, summer perennials and autumn color; glasshouses offer winter subjects.

Suggested gear: Macro lens, Diffuser, Small reflector. Work out exposures with the depth of field, ND filter and NPF rule calculators.

Nearby photo spots

Other locations within 25 km of Markham Regional Arboretum, closest first.

FAQ

When is the best time to photograph Markham Regional Arboretum?
July has the clearest skies on average; june is best for the milky way core. For light, plan around the first and last hour of sun. Spring bulbs and blossoms, summer perennials and autumn color; glasshouses offer winter subjects.
What time is golden hour at Markham Regional Arboretum?
In October the evening golden hour starts around 5:56 PM and ends after sunset at about 6:32 PM; the morning golden hour lasts until about 7:53 AM. Use the live widget above for exact times on any date.
Where does the sun rise and set at Markham Regional Arboretum?
Sunrise azimuth ranges from about 59° in June to 120° in December; sunset ranges from 301° to 241°. See the sun-path diagram for the full arc.
Can you see the Milky Way from Markham Regional Arboretum?
Yes — the core is visible from March to September on moonless nights. The estimated sky quality is Bortle 8 (city sky).
Do you need a permit to photograph at Markham Regional Arboretum?
Personal photography from public land rarely needs a permit. Commercial shoots, models, large groups and drones may require permission from the land manager — check before you go.
How far is Markham Regional Arboretum from Concord?
About 3.4 km (2.1 mi) in a straight line; driving distance is usually longer, especially in mountain terrain.

Sources

Location data: Wikidata, Wikipedia. Sun, moon and Milky Way times are computed by LWPhoto Atlas for 2026. Climate: NASA POWER. Sky darkness is a population-based estimate (Walker's law), not a measurement. See data sources & licenses.