Yazd Province · Iran · 33.60° N · 56.92° E
Solar position in Tabas
Sun position, daylight and the best solar panel angle for Tabas — computed for 33.60° N, 56.92° E, 669 m above sea level.
The sun right now
Sun in Tabas today
Saturday, 24 October 2026 · local time UTC+3:30
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:30 | sun 18° below horizon |
| Nautical dawn | 04:59 | 12° below |
| Civil dawn | 05:28 | 6° below |
| Sunrise | 05:54 | 104° ESE |
| Golden hour ends | 06:28 | sun 6° up |
| Solar noon | 11:26 | 44.6° high |
| Golden hour starts | 16:24 | sun 6° up |
| Sunset | 16:58 | 256° WSW |
| Civil dusk | 17:23 | 6° below |
| Nautical dusk | 17:52 | 12° below |
| Astronomical dusk | 18:21 | 18° below |
| Day length | 11 h 04 min | |
Sun path diagram for Tabas
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 79.8° at solar noon in Tabas; on the December solstice only 33.0°. Sunrise swings from 61° ENE in June to 118° ESE in December — a 57° 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 | 06:44 | 11:53 | 17:02 | 10 h 18 min | 36.6° |
| February | 06:20 | 11:56 | 17:31 | 11 h 11 min | 45.9° |
| March | 05:45 | 11:49 | 17:54 | 12 h 09 min | 56.7° |
| April | 05:05 | 11:41 | 18:17 | 13 h 13 min | 68.3° |
| May | 04:38 | 11:38 | 18:40 | 14 h 02 min | 76.6° |
| June | 04:32 | 11:44 | 18:55 | 14 h 23 min | 79.8° |
| July | 04:46 | 11:48 | 18:50 | 14 h 03 min | 76.8° |
| August | 05:08 | 11:45 | 18:21 | 13 h 13 min | 68.5° |
| September | 05:29 | 11:35 | 17:40 | 12 h 11 min | 57.1° |
| October | 05:51 | 11:26 | 17:01 | 11 h 10 min | 45.7° |
| November | 06:19 | 11:27 | 16:36 | 10 h 17 min | 36.5° |
| December | 06:42 | 11:40 | 16:37 | 9 h 55 min | 33.0° |
A year of daylight in Tabas
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 Tabas
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
31°collects the most energy over a year: 1907 kWh per kWp.
47°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° | 1673 | 88% | 2.48 | 2.6× |
| 15° | 1846 | 97% | 3.46 | 1.8× |
| 30° | 1907 | 100% | 4.20 | 1.4× |
| 31° year-round best | 1907 | 100% | 4.24 | 1.4× |
| 34° = latitude | 1904 | 100% | 4.35 | 1.3× |
| 45° | 1855 | 97% | 4.67 | 1.2× |
| 47° off-grid best | 1840 | 96% | 4.71 | 1.2× |
| 60° | 1694 | 89% | 4.84 | 1.4× |
| 70° | 1532 | 80% | 4.78 | 1.7× |
| 90° | 1109 | 58% | 4.26 | 3.0× |
A fixed array in Tabas produces the most over a year at 31°. The design month for an off-grid system is December: at 47° it makes 4.71 kWh per kWp a day, 11% more than at 31°, and costs 4% of the yearly total. Why steep panels win winter.
Off-grid solar in Tabas at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 31° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 31° | Mean temp. |
|---|---|---|---|---|---|
| January | 3.22 | 5.36 | 4.76 | 4.35 | 4.8 °C |
| February | 4.12 | 5.36 | 4.71 | 4.80 | 7.3 °C |
| March | 5.37 | 5.31 | 4.57 | 5.35 | 13.0 °C |
| April | 6.42 | 4.61 | 3.87 | 5.45 | 18.9 °C |
| May | 7.46 | 4.08 | 3.33 | 5.58 | 25.3 °C |
| June | 8.25 | 3.76 | 3.00 | 5.69 | 29.9 °C |
| July | 8.04 | 3.92 | 3.11 | 5.64 | 31.3 °C |
| August | 7.51 | 4.66 | 3.75 | 5.82 | 29.1 °C |
| September | 6.43 | 5.62 | 4.61 | 5.80 | 24.9 °C |
| October | 4.98 | 5.97 | 5.00 | 5.32 | 19.3 °C |
| November | 3.63 | 5.70 | 4.93 | 4.63 | 11.4 °C |
| December | 3.01 | 5.41 | 4.78 | 4.24 | 6.1 °C |
| Year | 5.71 avg | 4.98 avg | 1532 kWh | 1907 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 390 Wp of panels at 70°, versus 280 Wp at 31°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Tabas
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.
4.0 mrow pitch at 70°
3.5 mrow pitch at 31°
How Tabas compares in Iran
Against the other 422 places in Iran with climate data, for a fixed array at its best angle.
120thof 423 places in Iran for sunshine, shared: 5.71 peak sun hours a day on flat ground.
+8%solar energy a year compared with the average place in Iran: 1,907 against 1,760 kWh per kWp.
−12 mindaylight on the longest day, compared with Tehran: 14 h 23 min against 14 h 35 min.
31°best year-round tilt here; across Iran it runs from 24° in Kīsh to 33° in Khūy.
Of the 423 places in Iran, Jālq gets the most sun (6.10 peak sun hours a day) and Bandar-e Anzalī the least (3.92); Tabas ranks joint 120th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 3.00 kWh a day here, against 2.96 kWh on average in Iran. The shortest day lasts 9 h 55 min, +11 min compared with Tehran.
Solar forecast for Tabas, 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 Tabas
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Places near Tabas
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A free, live card for Tabas: 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.