Lithuania · 54.90° N · 23.91° E
Solar position in Kaunas
Sun position, daylight and the best solar panel angle for Kaunas — computed for 54.90° N, 23.91° E, 96 m above sea level.
The sun right now
Sun in Kaunas today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:09 | sun 18° below horizon |
| Nautical dawn | 06:51 | 12° below |
| Civil dawn | 07:33 | 6° below |
| Sunrise | 08:11 | 109° ESE |
| Golden hour ends | 09:03 | sun 6° up |
| Solar noon | 13:08 | 23.3° high |
| Golden hour starts | 17:12 | sun 6° up |
| Sunset | 18:04 | 250° WSW |
| Civil dusk | 18:42 | 6° below |
| Nautical dusk | 19:24 | 12° below |
| Astronomical dusk | 20:06 | 18° below |
| Day length | 9 h 54 min | |
Sun path diagram for Kaunas
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 58.5° at solar noon in Kaunas; on the December solstice only 11.7°. Sunrise swings from 45° NE in June to 132° SE in December — a 88° 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 | 08:32 | 12:35 | 16:39 | 8 h 07 min | 15.3° |
| February | 07:33 | 12:38 | 17:43 | 10 h 10 min | 24.7° |
| March | 06:24 | 12:31 | 18:39 | 12 h 15 min | 35.4° |
| April | 06:07 | 13:23 | 20:39 | 14 h 32 min | 47.0° |
| May | 05:07 | 13:21 | 21:35 | 16 h 28 min | 55.3° |
| June | 04:45 | 13:26 | 22:06 | 17 h 21 min | 58.5° |
| July | 05:14 | 13:30 | 21:45 | 16 h 31 min | 55.5° |
| August | 06:10 | 13:27 | 20:43 | 14 h 34 min | 47.1° |
| September | 07:07 | 13:17 | 19:26 | 12 h 18 min | 35.7° |
| October | 08:05 | 13:08 | 18:11 | 10 h 06 min | 24.4° |
| November | 08:07 | 12:09 | 16:12 | 8 h 05 min | 15.2° |
| December | 08:46 | 12:22 | 15:58 | 7 h 11 min | 11.7° |
A year of daylight in Kaunas
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 Kaunas
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
41°collects the most energy over a year: 1082 kWh per kWp.
80°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° | 864 | 80% | 0.26 | 17.9× |
| 15° | 992 | 92% | 0.45 | 11.0× |
| 30° | 1065 | 98% | 0.61 | 7.9× |
| 41° year-round best | 1082 | 100% | 0.72 | 6.6× |
| 45° | 1080 | 100% | 0.75 | 6.2× |
| 55° = latitude | 1057 | 98% | 0.82 | 5.4× |
| 60° | 1035 | 96% | 0.84 | 5.0× |
| 70° | 975 | 90% | 0.88 | 4.4× |
| 80° off-grid best | 891 | 82% | 0.89 | 3.8× |
| 90° | 788 | 73% | 0.87 | 3.4× |
A fixed array in Kaunas produces the most over a year at 41°. The design month for an off-grid system is December: at 80° it makes 0.89 kWh per kWp a day, 24% more than at 41°, and costs 18% of the yearly total. Why steep panels win winter.
Off-grid solar in Kaunas at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 41° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 41° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 0.54 | 1.35 | 1.22 | 1.02 | -5.8 °C |
| February snow | 1.26 | 2.37 | 2.16 | 1.93 | -4.9 °C |
| March snow | 2.58 | 3.71 | 3.35 | 3.31 | -0.2 °C |
| April | 4.08 | 4.28 | 3.76 | 4.26 | 6.4 °C |
| May | 5.36 | 4.45 | 3.81 | 4.75 | 12.5 °C |
| June | 5.71 | 4.26 | 3.59 | 4.68 | 15.9 °C |
| July | 5.29 | 4.13 | 3.45 | 4.40 | 18.4 °C |
| August | 4.40 | 4.10 | 3.44 | 4.08 | 17.5 °C |
| September | 3.03 | 3.75 | 3.21 | 3.41 | 12.7 °C |
| October | 1.49 | 2.44 | 2.13 | 2.05 | 6.4 °C |
| November | 0.57 | 1.16 | 1.01 | 0.90 | 1.9 °C |
| December snow | 0.36 | 0.99 | 0.88 | 0.72 | -2.8 °C |
| Year | 2.90 avg | 3.08 avg | 975 kWh | 1082 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 1,350 Wp of panels at 70°, versus 1,650 Wp at 41°. The steep array is 18% smaller for the same winter. Size your own system.
Row spacing in Kaunas
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.
13.3 mrow pitch at 70°
10.3 mrow pitch at 41°
How Kaunas compares in Lithuania
Against the other 19 places in Lithuania with climate data, for a fixed array at its best angle.
8thof 20 places in Lithuania for sunshine, shared: 2.90 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Lithuania: 1,082 against 1,084 kWh per kWp.
+3 mindaylight on the longest day, compared with Vilnius: 17 h 21 min against 17 h 18 min.
41°best year-round tilt here; across Lithuania it runs from 40° in Klaipėda to 42° in Šiauliai.
Of the 20 places in Lithuania, Taurage and 4 other places get the most sun (2.93 peak sun hours a day) and Vilnius the least (2.86); Kaunas ranks joint 8th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 0.88 kWh a day here, against 0.78 kWh on average in Lithuania. The shortest day lasts 7 h 11 min, −3 min compared with Vilnius.
Solar forecast for Kaunas, 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 Kaunas
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A free, live card for Kaunas: 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.