Plovdiv · Bulgaria · 42.10° N · 25.22° E
Solar position in Parvomay
Sun position, daylight and the best solar panel angle for Parvomay — computed for 42.10° N, 25.22° E, 134 m above sea level.
The sun right now
Sun in Parvomay today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:08 | sun 18° below horizon |
| Nautical dawn | 06:40 | 12° below |
| Civil dawn | 07:13 | 6° below |
| Sunrise | 07:42 | 105° ESE |
| Golden hour ends | 08:20 | sun 6° up |
| Solar noon | 13:03 | 36.1° high |
| Golden hour starts | 17:45 | sun 6° up |
| Sunset | 18:24 | 255° WSW |
| Civil dusk | 18:52 | 6° below |
| Nautical dusk | 19:25 | 12° below |
| Astronomical dusk | 19:57 | 18° below |
| Day length | 10 h 42 min | |
Sun path diagram for Parvomay
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 71.3° at solar noon in Parvomay; on the December solstice only 24.5°. Sunrise swings from 57° ENE in June to 122° ESE in December — a 65° 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 | 07:41 | 12:30 | 17:19 | 9 h 38 min | 28.1° |
| February | 07:06 | 12:32 | 17:59 | 10 h 52 min | 37.4° |
| March | 06:21 | 12:26 | 18:32 | 12 h 11 min | 48.2° |
| April | 06:29 | 13:17 | 20:06 | 13 h 37 min | 59.8° |
| May | 05:53 | 13:15 | 20:38 | 14 h 46 min | 68.1° |
| June | 05:43 | 13:20 | 20:58 | 15 h 15 min | 71.3° |
| July | 06:01 | 13:25 | 20:49 | 14 h 47 min | 68.3° |
| August | 06:32 | 13:22 | 20:10 | 13 h 38 min | 59.9° |
| September | 07:05 | 13:12 | 19:18 | 12 h 13 min | 48.5° |
| October | 07:38 | 13:03 | 18:28 | 10 h 50 min | 37.1° |
| November | 07:16 | 12:04 | 16:53 | 9 h 37 min | 28.0° |
| December | 07:44 | 12:17 | 16:50 | 9 h 06 min | 24.5° |
A year of daylight in Parvomay
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 Parvomay
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
34°collects the most energy over a year: 1394 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° | 1191 | 85% | 1.15 | 4.6× |
| 15° | 1329 | 95% | 1.66 | 3.3× |
| 30° | 1391 | 100% | 2.06 | 2.5× |
| 34° year-round best | 1394 | 100% | 2.15 | 2.4× |
| 42° = latitude | 1383 | 99% | 2.29 | 2.1× |
| 45° | 1373 | 98% | 2.33 | 2.1× |
| 60° | 1278 | 92% | 2.46 | 1.7× |
| 65° off-grid best | 1229 | 88% | 2.47 | 1.6× |
| 70° | 1174 | 84% | 2.46 | 1.5× |
| 90° | 890 | 64% | 2.26 | 1.5× |
A fixed array in Parvomay produces the most over a year at 34°. The design month for an off-grid system is December: at 65° it makes 2.47 kWh per kWp a day, 15% more than at 34°, and costs 12% of the yearly total. Why steep panels win winter.
Off-grid solar in Parvomay at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 34° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 34° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 1.67 | 3.09 | 2.79 | 2.43 | 0.0 °C |
| February | 2.46 | 3.45 | 3.09 | 3.04 | 1.8 °C |
| March | 3.51 | 3.83 | 3.38 | 3.73 | 5.9 °C |
| April | 4.75 | 3.98 | 3.44 | 4.36 | 10.4 °C |
| May | 5.74 | 3.87 | 3.27 | 4.69 | 16.0 °C |
| June | 6.36 | 3.79 | 3.14 | 4.86 | 20.6 °C |
| July | 6.61 | 4.05 | 3.32 | 5.07 | 23.5 °C |
| August | 6.00 | 4.53 | 3.73 | 5.05 | 23.6 °C |
| September | 4.46 | 4.51 | 3.80 | 4.39 | 18.5 °C |
| October | 2.97 | 3.94 | 3.40 | 3.45 | 12.3 °C |
| November | 1.88 | 3.18 | 2.79 | 2.56 | 7.0 °C |
| December | 1.44 | 2.75 | 2.46 | 2.15 | 1.6 °C |
| Year | 4.00 avg | 3.75 avg | 1174 kWh | 1394 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 480 Wp of panels at 70°, versus 550 Wp at 34°. The steep array is 13% smaller for the same winter. Size your own system.
Row spacing in Parvomay
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.
5.5 mrow pitch at 70°
4.5 mrow pitch at 34°
How Parvomay compares in Bulgaria
Against the other 54 places in Bulgaria with climate data, for a fixed array at its best angle.
10thof 55 places in Bulgaria for sunshine, shared: 4.00 peak sun hours a day on flat ground.
+1%solar energy a year compared with the average place in Bulgaria: 1,394 against 1,377 kWh per kWp.
−4 mindaylight on the longest day, compared with Sofia: 15 h 15 min against 15 h 20 min.
34°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); Parvomay ranks joint 10th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 2.46 kWh a day here, against 2.34 kWh on average in Bulgaria. The shortest day lasts 9 h 06 min, +4 min compared with Sofia.
Solar forecast for Parvomay, 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 Parvomay
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Places near Parvomay
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A free, live card for Parvomay: 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.