Riyadh Region · Saudi Arabia · 24.16° N · 47.33° E
Solar position in Al Kharj
Sun position, daylight and the best solar panel angle for Al Kharj — computed for 24.16° N, 47.33° E, 438 m above sea level.
The sun right now
Sun in Al Kharj today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:36 | sun 18° below horizon |
| Nautical dawn | 05:02 | 12° below |
| Civil dawn | 05:29 | 6° below |
| Sunrise | 05:52 | 102° ESE |
| Golden hour ends | 06:23 | sun 6° up |
| Solar noon | 11:34 | 54.1° high |
| Golden hour starts | 16:46 | sun 6° up |
| Sunset | 17:16 | 257° WSW |
| Civil dusk | 17:40 | 6° below |
| Nautical dusk | 18:06 | 12° below |
| Astronomical dusk | 18:33 | 18° below |
| Day length | 11 h 24 min | |
Sun path diagram for Al Kharj
Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.
- June solstice
- Equinox
- December solstice
- Today
On the June solstice the sun reaches 89.3° at solar noon in Al Kharj; on the December solstice only 42.4°. Sunrise swings from 64° ENE in June to 115° ESE in December — a 52° arc along the horizon.
Sunrise, sunset and sun height by month
Values for the 21st of each month, local clock time including daylight saving time.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 06:35 | 12:02 | 17:28 | 10 h 53 min | 46.0° |
| February | 06:19 | 12:04 | 17:49 | 11 h 29 min | 55.4° |
| March | 05:53 | 11:57 | 18:02 | 12 h 08 min | 66.2° |
| April | 05:24 | 11:49 | 18:14 | 12 h 51 min | 77.8° |
| May | 05:05 | 11:47 | 18:29 | 13 h 24 min | 86.1° |
| June | 05:03 | 11:52 | 18:41 | 13 h 38 min | 89.3° |
| July | 05:14 | 11:57 | 18:39 | 13 h 25 min | 86.3° |
| August | 05:28 | 11:53 | 18:19 | 12 h 51 min | 77.9° |
| September | 05:38 | 11:43 | 17:48 | 12 h 09 min | 66.5° |
| October | 05:51 | 11:35 | 17:19 | 11 h 28 min | 55.1° |
| November | 06:09 | 11:36 | 17:02 | 10 h 53 min | 45.9° |
| December | 06:29 | 11:48 | 17:07 | 10 h 39 min | 42.4° |
A year of daylight in Al Kharj
Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.
Best solar panel angle in Al Kharj
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
23°collects the most energy over a year: 1917 kWh per kWp.
31°gives the most in the darkest month — the one an off-grid system is sized for.
- Yearly energy
- Worst-month energy
| Tilt | kWh/kWp per year | Share of best year | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1792 | 93% | 3.46 | 1.8× |
| 15° | 1903 | 99% | 4.35 | 1.3× |
| 23° year-round best | 1917 | 100% | 4.71 | 1.2× |
| 24° = latitude | 1917 | 100% | 4.75 | 1.2× |
| 30° | 1903 | 99% | 4.96 | 1.1× |
| 31° off-grid best | 1899 | 99% | 4.99 | 1.1× |
| 45° | 1794 | 94% | 5.27 | 1.3× |
| 60° | 1583 | 83% | 5.25 | 1.7× |
| 70° | 1395 | 73% | 5.06 | 2.2× |
| 90° | 961 | 50% | 4.26 | 3.8× |
A fixed array in Al Kharj produces the most over a year at 23°. The design month for an off-grid system is December: at 31° it makes 4.99 kWh per kWp a day, 6% more than at 23°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Al Kharj at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 23° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 23° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.51 | 5.91 | 5.06 | 4.89 | 13.9 °C |
| February | 5.35 | 5.65 | 4.79 | 5.27 | 16.7 °C |
| March | 6.23 | 5.06 | 4.21 | 5.49 | 21.5 °C |
| April | 6.79 | 4.05 | 3.29 | 5.36 | 26.8 °C |
| May | 7.44 | 3.35 | 2.65 | 5.37 | 32.3 °C |
| June | 7.98 | 2.90 | 2.26 | 5.46 | 34.8 °C |
| July | 7.70 | 3.04 | 2.35 | 5.32 | 36.3 °C |
| August | 7.32 | 3.74 | 2.91 | 5.38 | 36.0 °C |
| September | 6.80 | 4.85 | 3.85 | 5.53 | 32.6 °C |
| October | 5.93 | 5.78 | 4.70 | 5.45 | 27.3 °C |
| November | 4.65 | 5.74 | 4.79 | 4.79 | 20.6 °C |
| December | 4.25 | 5.93 | 5.06 | 4.71 | 15.2 °C |
| Year | 6.25 avg | 4.66 avg | 1395 kWh | 1917 kWh |
Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 520 Wp of panels at 70°, versus 250 Wp at 23°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Al Kharj
Distance between rows of 2 m long panels (slope length) so that no row shades the next between 10:00 and 14:00 solar time on the winter solstice.
3.0 mrow pitch at 70°
2.8 mrow pitch at 23°
How Al Kharj compares in Saudi Arabia
Against the other 95 places in Saudi Arabia with climate data, for a fixed array at its best angle.
18thof 96 places in Saudi Arabia for sunshine, shared: 6.25 peak sun hours a day on flat ground.
+2%solar energy a year compared with the average place in Saudi Arabia: 1,917 against 1,871 kWh per kWp.
+11 mindaylight on the longest day, compared with Jeddah: 13 h 38 min against 13 h 27 min.
23°best year-round tilt here; across Saudi Arabia it runs from 17° in Şabyā to 28° in Ţurayf.
Of the 96 places in Saudi Arabia, Al Mash‘ilīyah gets the most sun (6.60 peak sun hours a day) and Al Khafjī the least (5.24); Al Kharj ranks joint 18th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.26 kWh a day here, against 2.26 kWh on average in Saudi Arabia. The shortest day lasts 10 h 39 min, −11 min compared with Jeddah.
Solar forecast for Al Kharj, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
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A free, live card for Al Kharj: where the sun is right now on today's path, a countdown to sunset or sunrise, the daylight change, the moon phase at night and the best panel angle.
Sun positions: NREL Solar Position Algorithm. Climate: NASA POWER monthly climatology (NASA Langley Research Center). Forecast: Deutscher Wetterdienst, ICON-EU (CC BY 4.0), processed. Places: GeoNames (CC BY 4.0). Time zones: IANA. Sources and licences.