Mara · Tanzania · 1.13° S · 33.98° E
Solar position in Shirati
Sun position, daylight and the best solar panel angle for Shirati — computed for 1.13° S, 33.98° E, 1134 m above sea level.
The sun right now
Sun in Shirati today
Saturday, 24 October 2026 · local time UTC+3
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:13 | sun 18° below horizon |
| Nautical dawn | 05:38 | 12° below |
| Civil dawn | 06:02 | 6° below |
| Sunrise | 06:23 | 102° ESE |
| Golden hour ends | 06:51 | sun 6° up |
| Solar noon | 12:28 | 79.3° high |
| Golden hour starts | 18:04 | sun 6° up |
| Sunset | 18:32 | 258° WSW |
| Civil dusk | 18:53 | 6° below |
| Nautical dusk | 19:18 | 12° below |
| Astronomical dusk | 19:42 | 18° below |
| Day length | 12 h 09 min | |
Sun path diagram for Shirati
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 65.4° at solar noon in Shirati; on the December solstice only 67.7°. Sunrise swings from 67° ENE in June to 113° 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 | 06:50 | 12:55 | 19:00 | 12 h 10 min | 71.3° |
| February | 06:53 | 12:57 | 19:01 | 12 h 08 min | 80.7° |
| March | 06:48 | 12:51 | 18:54 | 12 h 06 min | 88.6° |
| April | 06:40 | 12:42 | 18:45 | 12 h 05 min | 76.9° |
| May | 06:38 | 12:40 | 18:42 | 12 h 04 min | 68.6° |
| June | 06:44 | 12:45 | 18:47 | 12 h 03 min | 65.4° |
| July | 06:48 | 12:50 | 18:52 | 12 h 04 min | 68.4° |
| August | 06:44 | 12:47 | 18:49 | 12 h 05 min | 76.8° |
| September | 06:34 | 12:37 | 18:40 | 12 h 06 min | 88.2° |
| October | 06:24 | 12:28 | 18:32 | 12 h 08 min | 80.4° |
| November | 06:24 | 12:29 | 18:35 | 12 h 10 min | 71.2° |
| December | 06:36 | 12:42 | 18:47 | 12 h 11 min | 67.7° |
A year of daylight in Shirati
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 Shirati
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
1°collects the most energy over a year: 1723 kWh per kWp.
4°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 | June kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1723 | 100% | 4.32 | 1.2× |
| 1° year-round best = latitude | 1723 | 100% | 4.36 | 1.2× |
| 4° off-grid best | 1722 | 100% | 4.45 | 1.1× |
| 15° | 1682 | 98% | 4.72 | 1.2× |
| 30° | 1547 | 90% | 4.85 | 1.6× |
| 45° | 1327 | 77% | 4.70 | 2.3× |
| 60° | 1047 | 61% | 4.28 | 3.6× |
| 70° | 864 | 50% | 3.86 | 3.9× |
| 90° | 572 | 33% | 2.74 | 2.9× |
A fixed array in Shirati produces the most over a year at 1°. The design month for an off-grid system is June: at 4° it makes 4.45 kWh per kWp a day, 2% more than at 1°, and costs 0% of the yearly total. Why steep panels win winter.
Off-grid solar in Shirati at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 1° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 1° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.97 | 1.28 | 1.00 | 4.76 | 23.4 °C |
| February | 6.39 | 1.61 | 1.28 | 5.10 | 24.2 °C |
| March | 6.33 | 2.64 | 2.15 | 5.08 | 23.9 °C |
| April | 5.87 | 3.67 | 3.03 | 4.75 | 22.9 °C |
| May | 5.70 | 4.49 | 3.72 | 4.63 | 22.4 °C |
| June | 5.36 | 4.65 | 3.86 | 4.36 | 22.2 °C |
| July | 5.47 | 4.56 | 3.78 | 4.44 | 22.4 °C |
| August | 5.69 | 3.96 | 3.27 | 4.60 | 23.0 °C |
| September | 6.09 | 3.07 | 2.51 | 4.91 | 23.6 °C |
| October | 6.07 | 1.99 | 1.60 | 4.87 | 23.6 °C |
| November | 5.76 | 1.41 | 1.11 | 4.61 | 22.8 °C |
| December | 5.74 | 1.26 | 0.99 | 4.58 | 22.9 °C |
| Year | 5.87 avg | 2.89 avg | 864 kWh | 1723 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 1,190 Wp of panels at 70°, versus 270 Wp at 1°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Shirati
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.
1.7 mrow pitch at 70°
2.0 mrow pitch at 1°
How Shirati compares in Tanzania
Against the other 222 places in Tanzania with climate data, for a fixed array at its best angle.
67thof 223 places in Tanzania for sunshine, shared: 5.87 peak sun hours a day on flat ground.
+3%solar energy a year compared with the average place in Tanzania: 1,723 against 1,677 kWh per kWp.
−20 mindaylight on the longest day, compared with Dar es Salaam: 12 h 11 min against 12 h 31 min.
1°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); Shirati ranks joint 67th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 0.99 kWh a day here, against 1.14 kWh on average in Tanzania. The shortest day lasts 12 h 03 min, +20 min compared with Dar es Salaam.
Solar forecast for Shirati, 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 Shirati
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Places near Shirati
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A free, live card for Shirati: 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.