Ústí nad Labem Region · Czechia · 50.60° N · 13.62° E
Solar position in Litvínov
Sun position, daylight and the best solar panel angle for Litvínov — computed for 50.60° N, 13.62° E, 338 m above sea level.
The sun right now
Sun in Litvínov today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:53 | sun 18° below horizon |
| Nautical dawn | 06:31 | 12° below |
| Civil dawn | 07:09 | 6° below |
| Sunrise | 07:42 | 108° ESE |
| Golden hour ends | 08:29 | sun 6° up |
| Solar noon | 12:49 | 27.6° high |
| Golden hour starts | 17:09 | sun 6° up |
| Sunset | 17:55 | 252° WSW |
| Civil dusk | 18:29 | 6° below |
| Nautical dusk | 19:07 | 12° below |
| Astronomical dusk | 19:45 | 18° below |
| Day length | 10 h 13 min | |
Sun path diagram for Litvínov
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 62.8° at solar noon in Litvínov; on the December solstice only 16.0°. Sunrise swings from 50° NE in June to 128° SE in December — a 78° 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 | 07:55 | 12:17 | 16:39 | 8 h 44 min | 19.6° |
| February | 07:06 | 12:19 | 17:32 | 10 h 27 min | 29.0° |
| March | 06:06 | 12:12 | 18:19 | 12 h 14 min | 39.8° |
| April | 05:59 | 13:04 | 20:09 | 14 h 10 min | 51.4° |
| May | 05:09 | 13:02 | 20:55 | 15 h 46 min | 59.6° |
| June | 04:53 | 13:07 | 21:21 | 16 h 29 min | 62.8° |
| July | 05:17 | 13:11 | 21:05 | 15 h 48 min | 59.8° |
| August | 06:02 | 13:08 | 20:13 | 14 h 11 min | 51.4° |
| September | 06:50 | 12:58 | 19:06 | 12 h 16 min | 40.0° |
| October | 07:37 | 12:49 | 18:01 | 10 h 24 min | 28.6° |
| November | 07:29 | 11:51 | 16:12 | 8 h 42 min | 19.5° |
| December | 08:04 | 12:03 | 16:02 | 7 h 59 min | 16.0° |
A year of daylight in Litvínov
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 Litvínov
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
39°collects the most energy over a year: 1069 kWh per kWp.
73°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° | 881 | 82% | 0.48 | 9.0× |
| 15° | 997 | 93% | 0.75 | 6.0× |
| 30° | 1059 | 99% | 0.97 | 4.5× |
| 39° year-round best | 1069 | 100% | 1.08 | 3.9× |
| 45° | 1063 | 99% | 1.15 | 3.6× |
| 51° = latitude | 1049 | 98% | 1.20 | 3.3× |
| 60° | 1010 | 94% | 1.25 | 3.0× |
| 70° | 944 | 88% | 1.28 | 2.7× |
| 73° off-grid best | 920 | 86% | 1.28 | 2.6× |
| 90° | 750 | 70% | 1.23 | 2.1× |
A fixed array in Litvínov produces the most over a year at 39°. The design month for an off-grid system is December: at 73° it makes 1.28 kWh per kWp a day, 18% more than at 39°, and costs 14% of the yearly total. Why steep panels win winter.
Off-grid solar in Litvínov at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 39° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 39° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 0.81 | 1.72 | 1.54 | 1.31 | -2.2 °C |
| February snow | 1.56 | 2.55 | 2.30 | 2.15 | -1.0 °C |
| March | 2.63 | 3.26 | 2.90 | 3.04 | 2.9 °C |
| April | 4.11 | 3.94 | 3.44 | 4.03 | 8.3 °C |
| May | 4.87 | 3.78 | 3.22 | 4.16 | 13.0 °C |
| June | 5.30 | 3.73 | 3.13 | 4.23 | 17.1 °C |
| July | 5.14 | 3.76 | 3.13 | 4.16 | 19.4 °C |
| August | 4.37 | 3.78 | 3.16 | 3.87 | 18.9 °C |
| September | 3.18 | 3.58 | 3.06 | 3.34 | 14.0 °C |
| October | 1.89 | 2.78 | 2.42 | 2.38 | 8.5 °C |
| November | 0.91 | 1.67 | 1.46 | 1.33 | 3.3 °C |
| December snow | 0.63 | 1.44 | 1.28 | 1.08 | -0.7 °C |
| Year | 2.96 avg | 3.00 avg | 944 kWh | 1069 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 920 Wp of panels at 70°, versus 1,090 Wp at 39°. The steep array is 15% smaller for the same winter. Size your own system.
Row spacing in Litvínov
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.
9.0 mrow pitch at 70°
7.1 mrow pitch at 39°
How Litvínov compares in Czechia
Against the other 95 places in Czechia with climate data, for a fixed array at its best angle.
86thof 96 places in Czechia for sunshine, shared: 2.96 peak sun hours a day on flat ground.
−4%solar energy a year compared with the average place in Czechia: 1,068 against 1,107 kWh per kWp.
+5 mindaylight on the longest day, compared with Prague: 16 h 29 min against 16 h 23 min.
39°best year-round tilt here; across Czechia it runs from 38° in Prague to 39° in Ostrava.
Of the 96 places in Czechia, Břeclav gets the most sun (3.25 peak sun hours a day) and Děčín and 10 other places the least (2.96); Litvínov ranks joint 86th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.28 kWh a day here, against 1.35 kWh on average in Czechia. The shortest day lasts 7 h 59 min, −5 min compared with Prague.
Solar forecast for Litvínov, 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 Litvínov
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A free, live card for Litvínov: 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.