Latvia · 56.91° N · 24.05° E
Solar position in Mārupe
Sun position, daylight and the best solar panel angle for Mārupe — computed for 56.91° N, 24.05° E, 11 m above sea level.
The sun right now
Sun in Mārupe today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:07 | sun 18° below horizon |
| Nautical dawn | 06:51 | 12° below |
| Civil dawn | 07:36 | 6° below |
| Sunrise | 08:15 | 111° ESE |
| Golden hour ends | 09:12 | sun 6° up |
| Solar noon | 13:07 | 21.3° high |
| Golden hour starts | 17:03 | sun 6° up |
| Sunset | 17:59 | 249° WSW |
| Civil dusk | 18:38 | 6° below |
| Nautical dusk | 19:22 | 12° below |
| Astronomical dusk | 20:06 | 18° below |
| Day length | 9 h 43 min | |
Sun path diagram for Mārupe
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 56.5° at solar noon in Mārupe; on the December solstice only 9.7°. Sunrise swings from 41° NE in June to 135° SE in December — a 94° 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 | 08:42 | 12:35 | 16:28 | 7 h 46 min | 13.3° |
| February | 07:37 | 12:37 | 17:38 | 10 h 01 min | 22.7° |
| March | 06:23 | 12:31 | 18:39 | 12 h 16 min | 33.4° |
| April | 06:00 | 13:22 | 20:45 | 14 h 45 min | 45.0° |
| May | 04:55 | 13:20 | 21:46 | 16 h 51 min | 53.3° |
| June | 04:29 | 13:25 | 22:21 | 17 h 52 min | 56.5° |
| July | 05:02 | 13:30 | 21:57 | 16 h 55 min | 53.5° |
| August | 06:03 | 13:26 | 20:49 | 14 h 46 min | 45.1° |
| September | 07:06 | 13:16 | 19:26 | 12 h 20 min | 33.7° |
| October | 08:09 | 13:08 | 18:06 | 9 h 57 min | 22.4° |
| November | 08:17 | 12:09 | 16:01 | 7 h 45 min | 13.2° |
| December | 08:59 | 12:21 | 15:43 | 6 h 44 min | 9.7° |
A year of daylight in Mārupe
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 Mārupe
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
42°collects the most energy over a year: 1069 kWh per kWp.
79°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° | 839 | 78% | 0.19 | 24.9× |
| 15° | 971 | 91% | 0.34 | 14.7× |
| 30° | 1049 | 98% | 0.47 | 10.6× |
| 42° year-round best | 1069 | 100% | 0.56 | 8.7× |
| 45° | 1068 | 100% | 0.58 | 8.3× |
| 57° = latitude | 1041 | 97% | 0.64 | 7.0× |
| 60° | 1029 | 96% | 0.65 | 6.8× |
| 70° | 970 | 91% | 0.68 | 5.9× |
| 79° off-grid best | 898 | 84% | 0.69 | 5.2× |
| 90° | 788 | 74% | 0.67 | 4.6× |
A fixed array in Mārupe produces the most over a year at 42°. The design month for an off-grid system is December: at 79° it makes 0.69 kWh per kWp a day, 22% more than at 42°, and costs 16% of the yearly total. Why steep panels win winter.
Off-grid solar in Mārupe at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 42° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 42° | Mean temp. |
|---|---|---|---|---|---|
| January snow | 0.42 | 1.16 | 1.04 | 0.86 | -4.5 °C |
| February snow | 1.08 | 2.19 | 2.00 | 1.77 | -4.7 °C |
| March snow | 2.44 | 3.73 | 3.37 | 3.29 | -0.9 °C |
| April | 4.02 | 4.40 | 3.88 | 4.33 | 5.0 °C |
| May | 5.41 | 4.64 | 4.00 | 4.90 | 11.1 °C |
| June | 5.72 | 4.38 | 3.71 | 4.75 | 15.1 °C |
| July | 5.38 | 4.32 | 3.61 | 4.54 | 18.2 °C |
| August | 4.31 | 4.15 | 3.49 | 4.07 | 17.4 °C |
| September | 2.81 | 3.60 | 3.08 | 3.23 | 13.0 °C |
| October | 1.36 | 2.38 | 2.07 | 1.97 | 6.9 °C |
| November | 0.48 | 1.08 | 0.94 | 0.82 | 2.5 °C |
| December snow | 0.27 | 0.78 | 0.68 | 0.56 | -1.5 °C |
| Year | 2.82 avg | 3.07 avg | 970 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 1,740 Wp of panels at 70°, versus 2,100 Wp at 42°. The steep array is 17% smaller for the same winter. Size your own system.
Row spacing in Mārupe
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.
17.2 mrow pitch at 70°
13.2 mrow pitch at 42°
How Mārupe compares in Latvia
Against the other 13 places in Latvia with climate data, for a fixed array at its best angle.
7thof 14 places in Latvia for sunshine, shared: 2.82 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Latvia: 1,069 against 1,073 kWh per kWp.
−1 mindaylight on the longest day, compared with Riga: 17 h 52 min against 17 h 52 min.
42°best year-round tilt here; across Latvia it runs from 41° in Liepāja to 44° in Valmiera.
Of the 14 places in Latvia, Ventspils gets the most sun (2.95 peak sun hours a day) and Valmiera the least (2.78); Mārupe ranks joint 7th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 0.68 kWh a day here, against 0.67 kWh on average in Latvia. The shortest day lasts 6 h 44 min, +1 min compared with Riga.
Solar forecast for Mārupe, 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 Mārupe
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A free, live card for Mārupe: 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.