Māzandarān · Iran · 36.55° N · 52.68° E
Solar position in Bābol
Sun position, daylight and the best solar panel angle for Bābol — computed for 36.55° N, 52.68° E, 1 m above sea level.
The sun right now
Sun in Bābol today
Saturday, 24 October 2026 · local time UTC+3:30
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:48 | sun 18° below horizon |
| Nautical dawn | 05:18 | 12° below |
| Civil dawn | 05:48 | 6° below |
| Sunrise | 06:14 | 104° ESE |
| Golden hour ends | 06:50 | sun 6° up |
| Solar noon | 11:43 | 41.7° high |
| Golden hour starts | 16:36 | sun 6° up |
| Sunset | 17:11 | 256° WSW |
| Civil dusk | 17:38 | 6° below |
| Nautical dusk | 18:08 | 12° below |
| Astronomical dusk | 18:38 | 18° below |
| Day length | 10 h 57 min | |
Sun path diagram for Bābol
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 76.9° at solar noon in Bābol; on the December solstice only 30.0°. Sunrise swings from 60° ENE in June to 119° ESE in December — a 59° 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 | 07:08 | 12:10 | 17:13 | 10 h 05 min | 33.6° |
| February | 06:40 | 12:13 | 17:45 | 11 h 05 min | 43.0° |
| March | 06:01 | 12:06 | 18:11 | 12 h 10 min | 53.8° |
| April | 05:18 | 11:58 | 18:38 | 13 h 20 min | 65.4° |
| May | 04:48 | 11:55 | 19:04 | 14 h 16 min | 73.7° |
| June | 04:41 | 12:01 | 19:20 | 14 h 40 min | 76.9° |
| July | 04:56 | 12:05 | 19:14 | 14 h 18 min | 73.9° |
| August | 05:21 | 12:02 | 18:42 | 13 h 21 min | 65.5° |
| September | 05:46 | 11:52 | 17:58 | 12 h 12 min | 54.1° |
| October | 06:11 | 11:43 | 17:15 | 11 h 04 min | 42.7° |
| November | 06:42 | 11:44 | 16:47 | 10 h 04 min | 33.5° |
| December | 07:07 | 11:57 | 16:47 | 9 h 40 min | 30.0° |
A year of daylight in Bābol
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 Bābol
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: 1394 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° | 1231 | 88% | 1.66 | 3.1× |
| 15° | 1350 | 97% | 2.26 | 2.3× |
| 30° | 1394 | 100% | 2.71 | 1.8× |
| 31° year-round best | 1394 | 100% | 2.73 | 1.7× |
| 37° = latitude | 1387 | 100% | 2.87 | 1.6× |
| 45° | 1359 | 97% | 3.00 | 1.4× |
| 60° off-grid best | 1248 | 90% | 3.10 | 1.2× |
| 70° | 1136 | 81% | 3.06 | 1.2× |
| 90° | 843 | 60% | 2.73 | 1.8× |
A fixed array in Bābol produces the most over a year at 31°. The design month for an off-grid system is December: at 60° it makes 3.10 kWh per kWp a day, 13% more than at 31°, and costs 10% of the yearly total. Why steep panels win winter.
Off-grid solar in Bābol 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 | 2.29 | 3.64 | 3.22 | 2.96 | 5.0 °C |
| February | 2.90 | 3.63 | 3.21 | 3.28 | 5.6 °C |
| March | 3.78 | 3.71 | 3.23 | 3.75 | 9.1 °C |
| April | 4.64 | 3.53 | 3.02 | 4.06 | 12.9 °C |
| May | 5.75 | 3.52 | 2.94 | 4.55 | 18.3 °C |
| June | 6.34 | 3.43 | 2.81 | 4.73 | 22.6 °C |
| July | 5.85 | 3.39 | 2.75 | 4.41 | 25.0 °C |
| August | 5.61 | 3.85 | 3.14 | 4.53 | 25.2 °C |
| September | 4.53 | 4.05 | 3.35 | 4.11 | 22.3 °C |
| October | 3.48 | 4.06 | 3.43 | 3.65 | 17.4 °C |
| November | 2.48 | 3.69 | 3.20 | 3.03 | 11.0 °C |
| December | 2.05 | 3.47 | 3.06 | 2.73 | 6.9 °C |
| Year | 4.15 avg | 3.66 avg | 1136 kWh | 1394 kWh |
Sizing example. To run a 1 kWh-per-day load through July on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 430 Wp of panels at 70°, versus 430 Wp at 31°. The steep array is 1% smaller for the same winter. Size your own system.
Row spacing in Bābol
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.
4.4 mrow pitch at 70°
3.7 mrow pitch at 31°
How Bābol compares in Iran
Against the other 422 places in Iran with climate data, for a fixed array at its best angle.
413thof 423 places in Iran for sunshine, shared: 4.15 peak sun hours a day on flat ground.
−21%solar energy a year compared with the average place in Iran: 1,394 against 1,760 kWh per kWp.
+5 mindaylight on the longest day, compared with Tehran: 14 h 40 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); Bābol ranks joint 413th. In its darkest month, July, 1 kWp of off-grid panels at 70° makes 2.75 kWh a day here, against 2.96 kWh on average in Iran. The shortest day lasts 9 h 40 min, −5 min compared with Tehran.
Solar forecast for Bābol, 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 Bābol
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A free, live card for Bābol: 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.