Surt · Libya · 31.21° N · 16.59° E
Solar position in Sirte
Sun position, daylight and the best solar panel angle for Sirte — computed for 31.21° N, 16.59° E, 17 m above sea level.
The sun right now
Sun in Sirte today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:41 | sun 18° below horizon |
| Nautical dawn | 06:09 | 12° below |
| Civil dawn | 06:38 | 6° below |
| Sunrise | 07:02 | 103° ESE |
| Golden hour ends | 07:36 | sun 6° up |
| Solar noon | 12:37 | 47.0° high |
| Golden hour starts | 17:39 | sun 6° up |
| Sunset | 18:12 | 257° WSW |
| Civil dusk | 18:37 | 6° below |
| Nautical dusk | 19:05 | 12° below |
| Astronomical dusk | 19:33 | 18° below |
| Day length | 11 h 10 min | |
Sun path diagram for Sirte
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 82.2° at solar noon in Sirte; on the December solstice only 35.4°. Sunrise swings from 62° ENE in June to 117° ESE in December — a 55° 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 | 07:51 | 13:05 | 18:18 | 10 h 28 min | 39.0° |
| February | 07:29 | 13:07 | 18:45 | 11 h 16 min | 48.3° |
| March | 06:56 | 13:00 | 19:05 | 12 h 09 min | 59.1° |
| April | 06:19 | 12:52 | 19:25 | 13 h 07 min | 70.7° |
| May | 05:54 | 12:50 | 19:46 | 13 h 52 min | 79.0° |
| June | 05:50 | 12:55 | 20:00 | 14 h 11 min | 82.2° |
| July | 06:03 | 13:00 | 19:56 | 13 h 53 min | 79.2° |
| August | 06:22 | 12:56 | 19:30 | 13 h 07 min | 70.8° |
| September | 06:41 | 12:46 | 18:51 | 12 h 11 min | 59.4° |
| October | 07:00 | 12:38 | 18:15 | 11 h 15 min | 48.0° |
| November | 07:25 | 12:39 | 17:52 | 10 h 27 min | 38.8° |
| December | 07:48 | 12:51 | 17:55 | 10 h 07 min | 35.4° |
A year of daylight in Sirte
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 Sirte
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
26°collects the most energy over a year: 1721 kWh per kWp.
56°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° | 1574 | 91% | 2.28 | 2.6× |
| 15° | 1695 | 98% | 2.94 | 2.0× |
| 26° year-round best | 1721 | 100% | 3.31 | 1.7× |
| 30° | 1717 | 100% | 3.42 | 1.6× |
| 31° = latitude | 1715 | 100% | 3.44 | 1.6× |
| 45° | 1640 | 95% | 3.69 | 1.3× |
| 56° off-grid best | 1524 | 89% | 3.74 | 1.2× |
| 60° | 1470 | 85% | 3.73 | 1.3× |
| 70° | 1312 | 76% | 3.64 | 1.5× |
| 90° | 922 | 54% | 3.16 | 2.6× |
A fixed array in Sirte produces the most over a year at 26°. The design month for an off-grid system is December: at 56° it makes 3.74 kWh per kWp a day, 13% more than at 26°, and costs 11% of the yearly total. Why steep panels win winter.
Off-grid solar in Sirte at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 26° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 26° | Mean temp. |
|---|---|---|---|---|---|
| January | 3.19 | 4.60 | 3.94 | 3.66 | 14.3 °C |
| February | 4.09 | 4.81 | 4.12 | 4.28 | 14.4 °C |
| March | 5.26 | 4.86 | 4.13 | 4.97 | 16.3 °C |
| April | 6.24 | 4.30 | 3.61 | 5.27 | 18.7 °C |
| May | 6.95 | 3.69 | 3.05 | 5.38 | 21.6 °C |
| June | 7.54 | 3.34 | 2.72 | 5.49 | 24.6 °C |
| July | 7.62 | 3.50 | 2.82 | 5.57 | 27.0 °C |
| August | 6.96 | 4.14 | 3.35 | 5.46 | 27.7 °C |
| September | 5.77 | 4.76 | 3.87 | 5.03 | 26.9 °C |
| October | 4.47 | 4.85 | 3.99 | 4.36 | 24.1 °C |
| November | 3.44 | 4.70 | 3.94 | 3.77 | 20.0 °C |
| December | 2.85 | 4.28 | 3.64 | 3.31 | 16.1 °C |
| Year | 5.37 avg | 4.32 avg | 1312 kWh | 1721 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 430 Wp of panels at 70°, versus 360 Wp at 26°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Sirte
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.
3.7 mrow pitch at 70°
3.2 mrow pitch at 26°
How Sirte compares in Libya
Against the other 58 places in Libya with climate data, for a fixed array at its best angle.
53rdof 59 places in Libya for sunshine, shared: 5.37 peak sun hours a day on flat ground.
−5%solar energy a year compared with the average place in Libya: 1,721 against 1,820 kWh per kWp.
−9 mindaylight on the longest day, compared with Tripoli: 14 h 11 min against 14 h 19 min.
26°best year-round tilt here; across Libya it runs from 23° in At Tāj to 29° in Nālūt.
Of the 59 places in Libya, Al Jawf and one other place get the most sun (6.58 peak sun hours a day) and Zliten the least (5.18); Sirte ranks joint 53rd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.72 kWh a day here, against 2.76 kWh on average in Libya. The shortest day lasts 10 h 07 min, +8 min compared with Tripoli.
Solar forecast for Sirte, 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 Sirte
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Places near Sirte
Put this on your site
A free, live card for Sirte: 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.