Syria · 35.34° N · 40.14° E
Solar position in Deir ez-Zor
Sun position, daylight and the best solar panel angle for Deir ez-Zor — computed for 35.34° N, 40.14° E, 210 m above sea level.
The sun right now
Sun in Deir ez-Zor today
Sunday, 25 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:08 | sun 18° below horizon |
| Nautical dawn | 05:38 | 12° below |
| Civil dawn | 06:08 | 6° below |
| Sunrise | 06:34 | 104° ESE |
| Golden hour ends | 07:09 | sun 6° up |
| Solar noon | 12:03 | 42.5° high |
| Golden hour starts | 16:57 | sun 6° up |
| Sunset | 17:32 | 256° WSW |
| Civil dusk | 17:58 | 6° below |
| Nautical dusk | 18:28 | 12° below |
| Astronomical dusk | 18:57 | 18° below |
| Day length | 10 h 58 min | |
Sun path diagram for Deir ez-Zor
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 78.1° at solar noon in Deir ez-Zor; on the December solstice only 31.3°. Sunrise swings from 60° ENE in June to 119° ESE in December — a 58° 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 | 07:25 | 12:30 | 17:36 | 10 h 10 min | 34.8° |
| February | 06:59 | 12:33 | 18:07 | 11 h 08 min | 44.2° |
| March | 06:22 | 12:26 | 18:31 | 12 h 10 min | 55.0° |
| April | 05:39 | 12:18 | 18:57 | 13 h 17 min | 66.6° |
| May | 05:11 | 12:16 | 19:21 | 14 h 10 min | 74.9° |
| June | 05:04 | 12:21 | 19:37 | 14 h 33 min | 78.1° |
| July | 05:19 | 12:25 | 19:31 | 14 h 12 min | 75.1° |
| August | 05:43 | 12:22 | 19:01 | 13 h 18 min | 66.7° |
| September | 06:06 | 12:12 | 18:18 | 12 h 12 min | 55.3° |
| October | 06:30 | 12:03 | 17:37 | 11 h 06 min | 43.9° |
| November | 07:00 | 12:05 | 17:10 | 10 h 10 min | 34.7° |
| December | 07:24 | 12:17 | 17:10 | 9 h 46 min | 31.3° |
A year of daylight in Deir ez-Zor
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 Deir ez-Zor
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
30°collects the most energy over a year: 1745 kWh per kWp.
60°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° | 1545 | 89% | 2.03 | 3.1× |
| 15° | 1695 | 97% | 2.77 | 2.2× |
| 30° year-round best | 1745 | 100% | 3.33 | 1.7× |
| 35° = latitude | 1739 | 100% | 3.47 | 1.6× |
| 45° | 1693 | 97% | 3.69 | 1.4× |
| 60° off-grid best | 1545 | 89% | 3.81 | 1.3× |
| 70° | 1397 | 80% | 3.76 | 1.4× |
| 90° | 1012 | 58% | 3.35 | 2.4× |
A fixed array in Deir ez-Zor produces the most over a year at 30°. The design month for an off-grid system is December: at 60° it makes 3.81 kWh per kWp a day, 14% more than at 30°, and costs 11% of the yearly total. Why steep panels win winter.
Off-grid solar in Deir ez-Zor at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 30° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 30° | Mean temp. |
|---|---|---|---|---|---|
| January | 2.74 | 4.35 | 3.85 | 3.53 | 5.6 °C |
| February | 3.62 | 4.58 | 4.02 | 4.09 | 8.0 °C |
| March | 4.98 | 4.98 | 4.29 | 4.96 | 12.9 °C |
| April | 6.10 | 4.55 | 3.83 | 5.26 | 18.1 °C |
| May | 7.16 | 4.15 | 3.40 | 5.51 | 24.0 °C |
| June | 8.08 | 3.89 | 3.12 | 5.73 | 29.0 °C |
| July | 7.83 | 4.02 | 3.18 | 5.61 | 31.8 °C |
| August | 7.06 | 4.61 | 3.67 | 5.53 | 31.6 °C |
| September | 5.91 | 5.33 | 4.32 | 5.33 | 27.7 °C |
| October | 4.33 | 5.13 | 4.26 | 4.51 | 22.0 °C |
| November | 3.19 | 4.92 | 4.24 | 3.95 | 13.0 °C |
| December | 2.49 | 4.27 | 3.76 | 3.33 | 7.3 °C |
| Year | 5.30 avg | 4.56 avg | 1397 kWh | 1745 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 380 Wp of panels at 70°, versus 350 Wp at 30°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Deir ez-Zor
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.
4.2 mrow pitch at 70°
3.6 mrow pitch at 30°
How Deir ez-Zor compares in Syria
Against the other 87 places in Syria with climate data, for a fixed array at its best angle.
37thof 88 places in Syria for sunshine: 5.30 peak sun hours a day on flat ground.
+1%solar energy a year compared with the average place in Syria: 1,745 against 1,731 kWh per kWp.
−5 mindaylight on the longest day, compared with Aleppo: 14 h 33 min against 14 h 38 min.
30°best year-round tilt here; across Syria it runs from 27° in Damascus to 31° in Al Qāmishlī.
Of the 88 places in Syria, As-Suwayda gets the most sun (5.64 peak sun hours a day) and Al Mālikīyah the least (5.02); Deir ez-Zor ranks 37th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 3.12 kWh a day here, against 3.06 kWh on average in Syria. The shortest day lasts 9 h 46 min, +5 min compared with Aleppo.
Solar forecast for Deir ez-Zor, 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 Deir ez-Zor: 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.