Şanlıurfa · Turkey · 37.03° N · 37.98° E
Solar position in Birecik
Sun position, daylight and the best solar panel angle for Birecik — computed for 37.03° N, 37.98° E, 351 m above sea level.
The sun right now
Sun in Birecik today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:17 | sun 18° below horizon |
| Nautical dawn | 05:47 | 12° below |
| Civil dawn | 06:17 | 6° below |
| Sunrise | 06:44 | 104° ESE |
| Golden hour ends | 07:19 | sun 6° up |
| Solar noon | 12:12 | 41.2° high |
| Golden hour starts | 17:04 | sun 6° up |
| Sunset | 17:40 | 256° WSW |
| Civil dusk | 18:06 | 6° below |
| Nautical dusk | 18:36 | 12° below |
| Astronomical dusk | 19:06 | 18° below |
| Day length | 10 h 56 min | |
Sun path diagram for Birecik
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 76.4° at solar noon in Birecik; on the December solstice only 29.6°. Sunrise swings from 59° ENE in June to 119° ESE in December — a 60° 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 | 07:38 | 12:39 | 17:40 | 10 h 03 min | 33.1° |
| February | 07:09 | 12:41 | 18:14 | 11 h 04 min | 42.5° |
| March | 06:30 | 12:35 | 18:40 | 12 h 10 min | 53.3° |
| April | 05:46 | 12:26 | 19:08 | 13 h 22 min | 64.9° |
| May | 05:15 | 12:24 | 19:34 | 14 h 18 min | 73.2° |
| June | 05:08 | 12:29 | 19:51 | 14 h 42 min | 76.4° |
| July | 05:24 | 12:34 | 19:44 | 14 h 20 min | 73.4° |
| August | 05:49 | 12:31 | 19:12 | 13 h 23 min | 65.0° |
| September | 06:14 | 12:21 | 18:26 | 12 h 12 min | 53.6° |
| October | 06:41 | 12:12 | 17:43 | 11 h 03 min | 42.2° |
| November | 07:12 | 12:13 | 17:14 | 10 h 02 min | 33.0° |
| December | 07:37 | 12:26 | 17:14 | 9 h 37 min | 29.6° |
A year of daylight in Birecik
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 Birecik
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: 1666 kWh per kWp.
59°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° | 1470 | 88% | 1.69 | 3.8× |
| 15° | 1616 | 97% | 2.35 | 2.7× |
| 30° year-round best | 1666 | 100% | 2.86 | 2.0× |
| 37° = latitude | 1656 | 99% | 3.04 | 1.8× |
| 45° | 1619 | 97% | 3.19 | 1.7× |
| 59° off-grid best | 1490 | 89% | 3.32 | 1.5× |
| 60° | 1478 | 89% | 3.32 | 1.5× |
| 70° | 1337 | 80% | 3.29 | 1.4× |
| 90° | 969 | 58% | 2.96 | 2.2× |
A fixed array in Birecik produces the most over a year at 30°. The design month for an off-grid system is December: at 59° it makes 3.32 kWh per kWp a day, 16% more than at 30°, and costs 11% of the yearly total. Why steep panels win winter.
Off-grid solar in Birecik 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 | 2.19 | 3.57 | 3.19 | 2.87 | 3.2 °C |
| February | 2.99 | 3.86 | 3.41 | 3.44 | 5.3 °C |
| March | 4.43 | 4.55 | 3.96 | 4.51 | 9.8 °C |
| April | 5.71 | 4.39 | 3.74 | 5.05 | 14.5 °C |
| May | 6.87 | 4.10 | 3.41 | 5.42 | 20.2 °C |
| June | 8.02 | 3.95 | 3.20 | 5.80 | 26.3 °C |
| July | 7.95 | 4.13 | 3.30 | 5.76 | 30.4 °C |
| August | 7.08 | 4.76 | 3.81 | 5.64 | 30.2 °C |
| September | 5.81 | 5.46 | 4.46 | 5.39 | 25.7 °C |
| October | 4.05 | 5.02 | 4.22 | 4.36 | 19.3 °C |
| November | 2.82 | 4.57 | 3.97 | 3.62 | 10.8 °C |
| December | 2.07 | 3.71 | 3.29 | 2.86 | 5.2 °C |
| Year | 5.01 avg | 4.34 avg | 1337 kWh | 1666 kWh |
Sizing example. To run a 1 kWh-per-day load through January on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 370 Wp of panels at 70°, versus 410 Wp at 30°. The steep array is 10% smaller for the same winter. Size your own system.
Row spacing in Birecik
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.
4.5 mrow pitch at 70°
3.7 mrow pitch at 30°
How Birecik compares in Turkey
Against the other 415 places in Turkey with climate data, for a fixed array at its best angle.
32ndof 416 places in Turkey for sunshine, shared: 5.01 peak sun hours a day on flat ground.
+6%solar energy a year compared with the average place in Turkey: 1,666 against 1,567 kWh per kWp.
−25 mindaylight on the longest day, compared with Istanbul: 14 h 42 min against 15 h 08 min.
30°best year-round tilt here; across Turkey it runs from 29° in Antakya to 36° in Ardahan.
Of the 416 places in Turkey, Sarigerme and 2 other places get the most sun (5.11 peak sun hours a day) and Hopa the least (3.80); Birecik ranks joint 32nd. In its darkest month, January, 1 kWp of off-grid panels at 70° makes 3.19 kWh a day here, against 2.84 kWh on average in Turkey. The shortest day lasts 9 h 37 min, +24 min compared with Istanbul.
Solar forecast for Birecik, 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 Birecik
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Places near Birecik
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A free, live card for Birecik: 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.