Asyut · Egypt · 27.18° N · 31.18° E
Solar position in Assiut
Sun position, daylight and the best solar panel angle for Assiut — computed for 27.18° N, 31.18° E, 56 m above sea level.
The sun right now
Sun in Assiut today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:42 | sun 18° below horizon |
| Nautical dawn | 06:09 | 12° below |
| Civil dawn | 06:36 | 6° below |
| Sunrise | 07:00 | 103° ESE |
| Golden hour ends | 07:31 | sun 6° up |
| Solar noon | 12:39 | 51.0° high |
| Golden hour starts | 17:46 | sun 6° up |
| Sunset | 18:18 | 257° WSW |
| Civil dusk | 18:42 | 6° below |
| Nautical dusk | 19:09 | 12° below |
| Astronomical dusk | 19:36 | 18° below |
| Day length | 11 h 18 min | |
Sun path diagram for Assiut
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 86.3° at solar noon in Assiut; on the December solstice only 39.4°. Sunrise swings from 63° ENE in June to 116° ESE in December — a 53° 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 | 06:45 | 12:06 | 17:28 | 10 h 43 min | 43.0° |
| February | 06:27 | 12:09 | 17:51 | 11 h 24 min | 52.3° |
| March | 05:58 | 12:02 | 18:06 | 12 h 09 min | 63.1° |
| April | 05:25 | 11:54 | 18:22 | 12 h 57 min | 74.8° |
| May | 06:04 | 12:51 | 19:39 | 13 h 35 min | 83.0° |
| June | 06:01 | 12:57 | 19:52 | 13 h 51 min | 86.3° |
| July | 06:13 | 13:01 | 19:49 | 13 h 36 min | 83.2° |
| August | 06:29 | 12:58 | 19:27 | 12 h 58 min | 74.9° |
| September | 06:43 | 12:48 | 18:53 | 12 h 10 min | 63.4° |
| October | 06:58 | 12:39 | 18:21 | 11 h 23 min | 52.1° |
| November | 06:19 | 11:40 | 17:02 | 10 h 42 min | 42.9° |
| December | 06:40 | 11:53 | 17:06 | 10 h 26 min | 39.4° |
A year of daylight in Assiut
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 Assiut
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
25°collects the most energy over a year: 2021 kWh per kWp.
35°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° | 1853 | 92% | 3.29 | 2.0× |
| 15° | 1994 | 99% | 4.27 | 1.4× |
| 25° year-round best | 2021 | 100% | 4.78 | 1.3× |
| 27° = latitude | 2020 | 100% | 4.86 | 1.2× |
| 30° | 2015 | 100% | 4.98 | 1.2× |
| 35° off-grid best | 1995 | 99% | 5.14 | 1.2× |
| 45° | 1916 | 95% | 5.37 | 1.3× |
| 60° | 1706 | 84% | 5.42 | 1.7× |
| 70° | 1512 | 75% | 5.27 | 2.2× |
| 90° | 1044 | 52% | 4.53 | 4.3× |
A fixed array in Assiut produces the most over a year at 25°. The design month for an off-grid system is December: at 35° it makes 5.14 kWh per kWp a day, 8% more than at 25°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Assiut at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 25° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 25° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.32 | 6.16 | 5.32 | 4.99 | 11.5 °C |
| February | 5.26 | 6.00 | 5.14 | 5.45 | 13.9 °C |
| March | 6.47 | 5.66 | 4.77 | 5.97 | 17.9 °C |
| April | 7.38 | 4.59 | 3.80 | 6.00 | 22.4 °C |
| May | 7.88 | 3.63 | 2.94 | 5.81 | 27.0 °C |
| June | 8.28 | 3.09 | 2.46 | 5.74 | 29.7 °C |
| July | 8.09 | 3.22 | 2.56 | 5.68 | 30.5 °C |
| August | 7.60 | 4.02 | 3.22 | 5.75 | 30.4 °C |
| September | 6.79 | 5.18 | 4.19 | 5.77 | 27.8 °C |
| October | 5.62 | 5.89 | 4.84 | 5.43 | 24.0 °C |
| November | 4.60 | 6.28 | 5.28 | 5.09 | 18.2 °C |
| December | 4.03 | 6.15 | 5.27 | 4.78 | 13.4 °C |
| Year | 6.37 avg | 4.98 avg | 1512 kWh | 2021 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 480 Wp of panels at 70°, versus 250 Wp at 25°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Assiut
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.
3.2 mrow pitch at 70°
3.0 mrow pitch at 25°
How Assiut compares in Egypt
Against the other 235 places in Egypt with climate data, for a fixed array at its best angle.
44thof 236 places in Egypt for sunshine: 6.37 peak sun hours a day on flat ground.
+8%solar energy a year compared with the average place in Egypt: 2,022 against 1,878 kWh per kWp.
−14 mindaylight on the longest day, compared with Cairo: 13 h 51 min against 14 h 05 min.
25°best year-round tilt here; across Egypt it runs from 20° in Hala'ib to 26° in Cairo.
Of the 236 places in Egypt, Aswān gets the most sun (6.52 peak sun hours a day) and ‘Izbat al Burj the least (5.35); Assiut ranks 44th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.46 kWh a day here, against 2.63 kWh on average in Egypt. The shortest day lasts 10 h 26 min, +13 min compared with Cairo.
Solar forecast for Assiut, 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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Questions about the sun in Assiut
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A free, live card for Assiut: 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.