Bulgaria · 41.65° N · 25.37° E
Solar position in Kardzhali
Sun position, daylight and the best solar panel angle for Kardzhali — computed for 41.65° N, 25.37° E, 248 m above sea level.
The sun right now
Sun in Kardzhali today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:07 | sun 18° below horizon |
| Nautical dawn | 06:39 | 12° below |
| Civil dawn | 07:12 | 6° below |
| Sunrise | 07:40 | 105° ESE |
| Golden hour ends | 08:19 | sun 6° up |
| Solar noon | 13:02 | 36.5° high |
| Golden hour starts | 17:45 | sun 6° up |
| Sunset | 18:24 | 255° WSW |
| Civil dusk | 18:52 | 6° below |
| Nautical dusk | 19:24 | 12° below |
| Astronomical dusk | 19:57 | 18° below |
| Day length | 10 h 43 min | |
Sun path diagram for Kardzhali
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 71.8° at solar noon in Kardzhali; on the December solstice only 25.0°. Sunrise swings from 57° ENE in June to 121° ESE in December — a 64° 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 | 07:39 | 12:29 | 17:20 | 9 h 40 min | 28.5° |
| February | 07:05 | 12:32 | 17:59 | 10 h 53 min | 37.9° |
| March | 06:20 | 12:25 | 18:31 | 12 h 11 min | 48.7° |
| April | 06:29 | 13:17 | 20:05 | 13 h 36 min | 60.3° |
| May | 05:53 | 13:15 | 20:36 | 14 h 43 min | 68.6° |
| June | 05:44 | 13:20 | 20:56 | 15 h 12 min | 71.8° |
| July | 06:02 | 13:24 | 20:47 | 14 h 45 min | 68.8° |
| August | 06:33 | 13:21 | 20:09 | 13 h 37 min | 60.4° |
| September | 07:04 | 13:11 | 19:17 | 12 h 13 min | 49.0° |
| October | 07:37 | 13:02 | 18:28 | 10 h 51 min | 37.6° |
| November | 07:14 | 12:04 | 16:53 | 9 h 39 min | 28.4° |
| December | 07:41 | 12:16 | 16:51 | 9 h 09 min | 25.0° |
A year of daylight in Kardzhali
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 Kardzhali
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
33°collects the most energy over a year: 1420 kWh per kWp.
65°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° | 1221 | 86% | 1.19 | 4.6× |
| 15° | 1359 | 96% | 1.70 | 3.3× |
| 30° | 1418 | 100% | 2.11 | 2.5× |
| 33° year-round best | 1420 | 100% | 2.18 | 2.4× |
| 42° = latitude | 1407 | 99% | 2.34 | 2.1× |
| 45° | 1396 | 98% | 2.39 | 2.1× |
| 60° | 1295 | 91% | 2.51 | 1.7× |
| 65° off-grid best | 1244 | 88% | 2.52 | 1.6× |
| 70° | 1186 | 84% | 2.51 | 1.5× |
| 90° | 892 | 63% | 2.29 | 1.6× |
A fixed array in Kardzhali produces the most over a year at 33°. The design month for an off-grid system is December: at 65° it makes 2.52 kWh per kWp a day, 16% more than at 33°, and costs 12% of the yearly total. Why steep panels win winter.
Off-grid solar in Kardzhali at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 33° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 33° | Mean temp. |
|---|---|---|---|---|---|
| January | 1.71 | 3.04 | 2.74 | 2.44 | 0.7 °C |
| February | 2.49 | 3.43 | 3.06 | 3.02 | 2.4 °C |
| March | 3.56 | 3.86 | 3.40 | 3.76 | 6.1 °C |
| April | 4.84 | 4.02 | 3.48 | 4.44 | 10.4 °C |
| May | 5.90 | 3.94 | 3.33 | 4.82 | 16.0 °C |
| June | 6.52 | 3.82 | 3.16 | 4.98 | 20.9 °C |
| July | 6.81 | 4.10 | 3.35 | 5.22 | 24.0 °C |
| August | 6.18 | 4.62 | 3.80 | 5.20 | 24.1 °C |
| September | 4.58 | 4.61 | 3.87 | 4.49 | 18.9 °C |
| October | 3.04 | 4.00 | 3.44 | 3.49 | 12.6 °C |
| November | 1.94 | 3.25 | 2.85 | 2.60 | 7.5 °C |
| December | 1.48 | 2.81 | 2.51 | 2.18 | 2.2 °C |
| Year | 4.10 avg | 3.79 avg | 1186 kWh | 1420 kWh |
Sizing example. To run a 1 kWh-per-day load through December on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 470 Wp of panels at 70°, versus 540 Wp at 33°. The steep array is 13% smaller for the same winter. Size your own system.
Row spacing in Kardzhali
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.
5.4 mrow pitch at 70°
4.4 mrow pitch at 33°
How Kardzhali compares in Bulgaria
Against the other 54 places in Bulgaria with climate data, for a fixed array at its best angle.
4thof 55 places in Bulgaria for sunshine: 4.10 peak sun hours a day on flat ground.
+3%solar energy a year compared with the average place in Bulgaria: 1,420 against 1,377 kWh per kWp.
−7 mindaylight on the longest day, compared with Sofia: 15 h 12 min against 15 h 20 min.
33°best year-round tilt here; across Bulgaria it runs from 32° in Burgas to 35° in Sofia.
Of the 55 places in Bulgaria, Petrich gets the most sun (4.15 peak sun hours a day) and Vidin the least (3.79); Kardzhali ranks 4th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.51 kWh a day here, against 2.34 kWh on average in Bulgaria. The shortest day lasts 9 h 09 min, +7 min compared with Sofia.
Solar forecast for Kardzhali, 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 Kardzhali
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A free, live card for Kardzhali: 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.