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PARTIAL SOLAR ECLIPSE · SUN SETS DURINGBrazzaville, Congo - BrazzavilleTuesday 31 March 2071 · times in UTC+1

The Sun at maximum, as seen from Brazzaville.

1m 23s

OF TOTAL DARKNESS

The Moon crosses the centre of the Sun but is too far away to cover it, so a complete ring of sunlight remains. It never goes dark and it is never safe to look without a filter.

THE SUN SETS PART-WAY THROUGH

Sunset is at 18:05, with the Sun still 95.8% covered. Everything after that happens below your horizon.
When the filter comes off →

02 · TIMING

When does it happen?

The whole eclipse runs 2h 10m. All times are local, in UTC+1.

How much of the Sun is covered, from first contact to last.

16:31 MAX 17:41 18:41

Phase LOCAL TIME SUN
First contactthe Moon touches the Sun's edge 16:31 22° W
Totality beginsfilters off — the corona 17:40
Maximumthe deepest point 17:41 5° W
Totality endsfilters back on, immediately 17:41
SUNSET 18:05 NOTHING BELOW THIS LINE IS VISIBLE
Last contacthappens after the Sun has set 18:41 BELOW HORIZON10° under

Times for the hidden phases are given because they are real — they are simply not observable from here.

03 · DIRECTION

Where do I look?

At maximum the Sun is just 5° above the horizon to the west. You will need a clear, flat horizon — over water, or from high ground.

The Sun's height and bearing at maximum, from Brazzaville.90°45°0° HORIZON5° · 17:41SSWWNWN

The Sun's height and bearing at maximum, from Brazzaville. The horizon is at 0°.

THE EXPERIENCE

What it will actually be like

At maximum the Moon sits wholly inside the Sun's disc and leaves a complete ring of sunlight. There is no corona and no darkness — the remaining ring is still far too bright to look at — but the light goes strange and flat, and shadows sharpen.

SAFETY

Looking at it without hurting yourself

Keep a certified solar filter on for every part of the eclipse except totality itself. During totality, and only then, it is safe to look with the naked eye — and the filter must go back on the instant the Sun reappears.

FILTER ON16:31 → 17:40 · the partial phases
FILTER OFF17:40 → 17:41 · totality only
FILTER ON17:41 → 18:41 · until the Sun is whole again

Sunglasses, smoked glass, exposed film and phone screens are not filters. If you can see anything else through it, it is not dark enough.

How to watch safely, in full

04 · POSITION

Should I travel?

Brazzaville lies inside the path, ⁦94 km⁩ from its centre line. The path is ⁦82 km⁩ wide here.

The Earth, with the shadow's track and Brazzaville marked, for the eclipse of 31 March 2071. Brazzaville SHADOW PATH · 31 MARCH 2071

Everywhere this eclipse is visible

Is it worth travelling for?

THE DAY

SUNRISE
06:01
SUNSET
18:05
DAY LENGTH
12h 04m
CIVIL DUSK
18:25
Explore this eclipseDrag the clock and watch the shadow cross. Add to calendarContact times as .ics, on your device's own clock

REFERENCE FIGURES

OBSCURATION
95.8%
COORDINATES
4.264° S, 15.242° E
PATH WIDTH
⁦82 km⁩
SHADOW SPEED
⁦2,000 km⁩/h
SAROS
140 · no. 34
MAGNITUDE
0.9890
GAMMA
-0.3739

Contact times are accurate to a couple of seconds at the coordinates above. Altitudes are geometric — unrefracted, on the WGS 84 ellipsoid.