Pwani · Tanzania · 6.98° S · 39.29° E
Solar position in Mwandege
Sun position, daylight and the best solar panel angle for Mwandege — computed for 6.98° S, 39.29° E, 22 m above sea level.
The sun right now
Sun in Mwandege today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:46 | sun 18° below horizon |
| Nautical dawn | 05:11 | 12° below |
| Civil dawn | 05:36 | 6° below |
| Sunrise | 05:57 | 102° ESE |
| Golden hour ends | 06:25 | sun 6° up |
| Solar noon | 12:07 | 85.2° high |
| Golden hour starts | 17:48 | sun 6° up |
| Sunset | 18:16 | 258° WSW |
| Civil dusk | 18:37 | 6° below |
| Nautical dusk | 19:02 | 12° below |
| Astronomical dusk | 19:27 | 18° below |
| Day length | 12 h 19 min | |
Sun path diagram for Mwandege
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 59.6° at solar noon in Mwandege; on the December solstice only 73.5°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 47° 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 | 06:20 | 12:34 | 18:47 | 12 h 28 min | 77.1° |
| February | 06:27 | 12:36 | 18:44 | 12 h 17 min | 86.5° |
| March | 06:26 | 12:29 | 18:33 | 12 h 06 min | 82.7° |
| April | 06:24 | 12:21 | 18:18 | 11 h 55 min | 71.1° |
| May | 06:26 | 12:19 | 18:12 | 11 h 47 min | 62.8° |
| June | 06:33 | 12:24 | 18:16 | 11 h 43 min | 59.6° |
| July | 06:36 | 12:29 | 18:22 | 11 h 46 min | 62.6° |
| August | 06:28 | 12:26 | 18:23 | 11 h 55 min | 71.0° |
| September | 06:13 | 12:15 | 18:18 | 12 h 06 min | 82.4° |
| October | 05:58 | 12:07 | 18:16 | 12 h 17 min | 86.2° |
| November | 05:54 | 12:08 | 18:22 | 12 h 28 min | 77.0° |
| December | 06:04 | 12:20 | 18:36 | 12 h 32 min | 73.5° |
A year of daylight in Mwandege
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 Mwandege
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
6°collects the most energy over a year: 1617 kWh per kWp.
18°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 | May kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1609 | 100% | 3.73 | 1.3× |
| 6° year-round best | 1617 | 100% | 3.89 | 1.3× |
| 7° = latitude | 1617 | 100% | 3.91 | 1.2× |
| 15° | 1601 | 99% | 4.06 | 1.2× |
| 18° off-grid best | 1589 | 98% | 4.10 | 1.2× |
| 30° | 1504 | 93% | 4.16 | 1.3× |
| 45° | 1323 | 82% | 4.03 | 1.7× |
| 60° | 1076 | 67% | 3.66 | 2.6× |
| 70° | 893 | 55% | 3.30 | 3.5× |
| 90° | 599 | 37% | 2.34 | 2.8× |
A fixed array in Mwandege produces the most over a year at 6°. The design month for an off-grid system is May: at 18° it makes 4.10 kWh per kWp a day, 5% more than at 6°, and costs 2% of the yearly total. Why steep panels win winter.
Off-grid solar in Mwandege at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 6° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 6° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.93 | 1.60 | 1.25 | 4.54 | 27.7 °C |
| February | 6.05 | 2.12 | 1.68 | 4.71 | 27.9 °C |
| March | 5.65 | 2.88 | 2.31 | 4.47 | 27.9 °C |
| April | 4.90 | 3.43 | 2.78 | 3.97 | 27.3 °C |
| May | 4.70 | 4.05 | 3.30 | 3.89 | 26.4 °C |
| June | 4.81 | 4.61 | 3.77 | 4.03 | 25.4 °C |
| July | 4.94 | 4.54 | 3.73 | 4.13 | 24.9 °C |
| August | 5.35 | 4.15 | 3.40 | 4.42 | 25.1 °C |
| September | 5.94 | 3.46 | 2.82 | 4.79 | 25.7 °C |
| October | 6.18 | 2.42 | 1.94 | 4.86 | 26.6 °C |
| November | 6.18 | 1.61 | 1.26 | 4.75 | 27.4 °C |
| December | 6.09 | 1.39 | 1.07 | 4.62 | 27.9 °C |
| Year | 5.56 avg | 3.03 avg | 893 kWh | 1617 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 1,100 Wp of panels at 70°, versus 300 Wp at 6°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Mwandege
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.
1.9 mrow pitch at 70°
2.1 mrow pitch at 6°
How Mwandege compares in Tanzania
Against the other 222 places in Tanzania with climate data, for a fixed array at its best angle.
123rdof 223 places in Tanzania for sunshine, shared: 5.56 peak sun hours a day on flat ground.
−4%solar energy a year compared with the average place in Tanzania: 1,617 against 1,677 kWh per kWp.
+1 mindaylight on the longest day, compared with Dar es Salaam: 12 h 32 min against 12 h 31 min.
6°best year-round tilt here; across Tanzania it runs from 1° in Arusha to 13° in Sumbawanga.
Of the 223 places in Tanzania, Shelui and one other place get the most sun (6.25 peak sun hours a day) and Katerero and one other place the least (4.97); Mwandege ranks joint 123rd. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.08 kWh a day here, against 1.14 kWh on average in Tanzania. The shortest day lasts 11 h 43 min, −1 min compared with Dar es Salaam.
Solar forecast for Mwandege, 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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A free, live card for Mwandege: 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.