Sunset & Sunrise Today in Diamond Bar, California
Sunrise & Sunset Tomorrow in Diamond Bar: sunrise 6:19 AM, sunset 7:26 PM.
Diamond Bar, California sees the sun come up at 6:18 AM and go down at 7:28 PM on Sunday, August 23, 2026 — 13h 09m of daylight from sunrise to sunset. The sun reaches its high point above Diamond Bar at 12:54 PM.
Because Diamond Bar is at 34.03° (the lower mid-latitudes), daylight varies moderately between summer and winter. Each day is currently getting about 1 minute shorter and 57 seconds. This is summer in Diamond Bar, so the daily sun times are still on the move.
If you're shooting at sunset, aim for Diamond Bar's golden hour, about 6:55 PM to 7:44 PM. The blue hour follows, roughly 7:44 PM to 7:54 PM, as twilight deepens.
Tomorrow, sunset in Diamond Bar is at 7:26 PM and sunrise at 6:19 AM — about 1m 57s less daylight than today. The table below shows how sunrise and sunset in Diamond Bar drift across the whole year.
It's summer in Diamond Bar right now, when daylight is at its most generous. Over the course of the year, sunset in Diamond Bar ranges from as early as 4:41 PM (around November 29) to as late as 8:06 PM (around June 24). Its longest day lands on June 20 with 14h 25m of daylight, and its shortest on December 21 with just 9h 52m.
Moon in Diamond Bar today
Sunset today: Diamond Bar vs nearby cities
| City | Sunrise | Sunset | Day length |
|---|---|---|---|
| Diamond Bar | 6:18 AM | 7:28 PM | 13h 09m |
| Pomona | 6:18 AM | 7:27 PM | 13h 09m |
| Chino Hills | 6:18 AM | 7:27 PM | 13h 09m |
| Covina | 6:19 AM | 7:28 PM | 13h 09m |
| Rowland Heights | 6:19 AM | 7:28 PM | 13h 09m |
Diamond Bar sun facts for 2026
- Longest day June 20 — 14h 25m of daylight
- Shortest day December 21 — 9h 52m
- Latest sunset 8:06 PM (June 24)
- Earliest sunset 4:41 PM (November 29)
- Earliest sunrise 5:39 AM (June 7)
- Latest sunrise 7:10 AM (March 8)
Solstices & equinoxes in Diamond Bar (2026)
| Event | Date | Sunrise | Sunset | Day length |
|---|---|---|---|---|
| March equinox | Mar 20, 2026 | 6:54 AM | 7:02 PM | 12h 07m |
| June solstice (longest day) | Jun 21, 2026 | 5:40 AM | 8:05 PM | 14h 25m |
| September equinox | Sep 22, 2026 | 6:39 AM | 6:47 PM | 12h 07m |
| December solstice (shortest day) | Dec 21, 2026 | 6:53 AM | 4:45 PM | 9h 52m |
Diamond Bar sunrise & sunset — next 14 days
| Date | Sunrise | Sunset | Day length | Change |
|---|---|---|---|---|
| Sun Aug 23 | 6:18 AM | 7:28 PM | 13h 09m | — |
| Mon Aug 24 | 6:19 AM | 7:26 PM | 13h 07m | −1m 57s |
| Tue Aug 25 | 6:20 AM | 7:25 PM | 13h 05m | −1m 58s |
| Wed Aug 26 | 6:21 AM | 7:24 PM | 13h 03m | −1m 58s |
| Thu Aug 27 | 6:21 AM | 7:23 PM | 13h 01m | −1m 59s |
| Fri Aug 28 | 6:22 AM | 7:21 PM | 12h 59m | −1m 59s |
| Sat Aug 29 | 6:23 AM | 7:20 PM | 12h 57m | −2m 00s |
| Sun Aug 30 | 6:23 AM | 7:19 PM | 12h 55m | −2m 01s |
| Mon Aug 31 | 6:24 AM | 7:17 PM | 12h 53m | −2m 01s |
| Tue Sep 1 | 6:25 AM | 7:16 PM | 12h 51m | −2m 01s |
| Wed Sep 2 | 6:25 AM | 7:15 PM | 12h 49m | −2m 02s |
| Thu Sep 3 | 6:26 AM | 7:13 PM | 12h 47m | −2m 02s |
| Fri Sep 4 | 6:27 AM | 7:12 PM | 12h 45m | −2m 03s |
| Sat Sep 5 | 6:27 AM | 7:11 PM | 12h 43m | −2m 03s |
Twilight times in Diamond Bar today
| Phase | Begins | Ends |
|---|---|---|
| Astronomical twilight | 4:49 AM | 8:57 PM |
| Nautical twilight | 5:21 AM | 8:25 PM |
| Civil twilight | 5:52 AM | 7:54 PM |
| Morning golden hour | 6:02 AM | 6:51 AM |
| Evening golden hour | 6:55 PM | 7:44 PM |
Civil, nautical and astronomical twilight describe how far the sun is below the horizon.
Sunrise & sunset in Diamond Bar by month
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 6:57 AM | 4:52 PM | 9h 55m |
| February | 6:48 AM | 5:21 PM | 10h 33m |
| March | 6:19 AM | 5:47 PM | 11h 27m |
| April | 6:38 AM | 7:11 PM | 12h 33m |
| May | 6:02 AM | 7:35 PM | 13h 32m |
| June | 5:41 AM | 7:57 PM | 14h 16m |
| July | 5:43 AM | 8:06 PM | 14h 22m |
| August | 6:03 AM | 7:51 PM | 13h 48m |
| September | 6:25 AM | 7:16 PM | 12h 51m |
| October | 6:46 AM | 6:35 PM | 11h 48m |
| November | 6:11 AM | 4:57 PM | 10h 46m |
| December | 6:38 AM | 4:41 PM | 10h 02m |
Times shown for the 1st of each month, local time.
Sunset & sunrise FAQ for Diamond Bar
What time is sunset in Diamond Bar today?
Sunset in Diamond Bar, California is at 7:28 PM today. It shifts by a minute or two each day as the seasons change.
What time is sunrise in Diamond Bar today?
Sunrise in Diamond Bar is at 6:18 AM today, with 13h 09m of daylight to follow.
What time is sunrise in Diamond Bar tomorrow?
Sunrise in Diamond Bar tomorrow is at 6:19 AM, and sunset tomorrow is at 7:26 PM.
What time is sunset in Diamond Bar tomorrow?
Sunset in Diamond Bar tomorrow is at 7:26 PM.
How long is the day in Diamond Bar today?
Diamond Bar gets 13h 09m of daylight today, between sunrise at 6:18 AM and sunset at 7:28 PM.
When is golden hour in Diamond Bar?
The evening golden hour in Diamond Bar is about 6:55 PM to 7:44 PM today — the warm, soft light ideal for photos.
When is blue hour in Diamond Bar?
The evening blue hour in Diamond Bar runs from about 7:44 PM to 7:54 PM today, just after sunset.
What time does it get dark in Diamond Bar?
After sunset at 7:28 PM, full darkness (the end of twilight) arrives in Diamond Bar at around 7:54 PM today.
When is solar noon in Diamond Bar?
Solar noon — when the sun is highest in the sky over Diamond Bar — is at 12:54 PM today.
Nearest cities to Diamond Bar
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Learn more about the sunset
- 🌇 What is golden hour?Golden hour is the warm, soft light just after sunrise and before sunset. Learn what it is, when it happens, how long it lasts, and how to use it.
- 🌆 What is blue hour?Discover what blue hour is, when it happens, how it differs from golden hour, and expert tips for photographing the soft blue twilight. Check exact blue.
- 🌌 Twilight explained: civil, nautical & astronomicalLearn the three phases of twilight—civil, nautical, astronomical—and what they mean for photographers, stargazers, and sunset lovers.
- 🌅 Why are sunsets red and orange?Discover the science behind red and orange sunsets, from Rayleigh scattering to air quality. Learn when and where to see the most vivid colors.
- 📸 The best time to photograph a sunsetDiscover the best time to photograph a sunset, from golden hour to blue hour. Learn exact timing, camera settings, and composition tips for stunning shots.
- ☀️ What is solar noon?Solar noon is when the sun reaches its highest point. Learn why it rarely matches 12:00 PM and how to find your exact solar noon.
- 📈 Why days get longer and shorter through the yearEarth's axial tilt drives seasonal day-length changes. Learn how solstices, equinoxes, and latitude affect daylight where you live.
- 🌞 The summer solstice explainedWhat causes the summer solstice, when it happens, and how it affects sunset times. Discover the science and beauty of the year's longest day.