PARTIAL SOLAR ECLIPSESurabaya, IndonesiaThursday 20 April 2023 · times in UTC+7
57.9%
OF THE SUN COVERED
A clear bite was taken out of the Sun. Daylight barely changed, so this was an eclipse you had to know about in advance to notice.
02 · TIMING
When did it happen?
The whole eclipse ran 2h 54m. All times are local, in UTC+7.
09:29 MAX 10:54 12:24
| Phase | LOCAL TIME | SUN |
|---|---|---|
| First contactthe Moon touches the Sun's edge | 09:29 | 55° ENE |
| Maximumthe deepest point | 10:54 | 70° NNE |
| Last contactthe Sun is whole again | 12:24 | 67° NW |
03 · DIRECTION
Where was it in the sky?
At maximum the Sun stood 70° above the horizon to the north-east — high enough to clear most buildings and trees.
The Sun's height and bearing at maximum, from Surabaya. The horizon is at 0°.
THE EXPERIENCE
What it was actually like
A distinct bite was taken out of the Sun, reaching 57.9% at maximum. Daylight barely changed — the eye adapts far too well for that — so this was an eclipse you had to know about in advance to notice. Anyone watching needed a filter; the remaining Sun was as dangerous as an uneclipsed one.
04 · POSITION
Where was it seen?
The path passed 1,221 km to the south-east of Surabaya and was 47 km wide. Only inside it was the Sun covered completely.
THE DAY
- SUNRISE
- 05:30
- SUNSET
- 17:25
- DAY LENGTH
- 11h 55m
- CIVIL DUSK
- 17:46
REFERENCE FIGURES
- OBSCURATION
- 57.9%
- COORDINATES
- 7.258° S, 112.752° E
- PATH WIDTH
- 47 km
- SHADOW SPEED
- 2,170 km/h
- SAROS
- 129 · no. 49
- MAGNITUDE
- 0.6606
- GAMMA
- -0.3952
Contact times are accurate to a couple of seconds at the coordinates above. Altitudes are geometric — unrefracted, on the WGS 84 ellipsoid.
NEXT FROM SURABAYA
What else is coming here?
The rest of what the sky over Surabaya has coming, soonest first.