PARTIAL SOLAR ECLIPSESan Francisco, United StatesSaturday 14 October 2023 · times in UTC-7
76.5%
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 37m. All times are local, in UTC-7.
08:05 MAX 09:19 10:42
| Phase | LOCAL TIME | SUN |
|---|---|---|
| First contactthe Moon touches the Sun's edge | 08:05 | 8° ESE |
| Maximumthe deepest point | 09:19 | 22° ESE |
| Last contactthe Sun is whole again | 10:42 | 34° SE |
03 · DIRECTION
Where was it in the sky?
At maximum the Sun was only 22° above the horizon to the south-east, so an open view in that direction was needed.
The Sun's height and bearing at maximum, from San Francisco. The horizon is at 0°.
THE EXPERIENCE
What it was actually like
A distinct bite was taken out of the Sun, reaching 76.5% 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 538 km to the north-east of San Francisco and was 215 km wide. Only inside it was the Sun covered completely.
THE DAY
- SUNRISE
- 07:17
- SUNSET
- 18:33
- DAY LENGTH
- 11h 17m
- CIVIL DUSK
- 19:00
REFERENCE FIGURES
- OBSCURATION
- 76.5%
- COORDINATES
- 37.775° N, 122.419° W
- PATH WIDTH
- 215 km
- SHADOW SPEED
- 2,019 km/h
- SAROS
- 134 · no. 41
- MAGNITUDE
- 0.8284
- GAMMA
- 0.3754
Contact times are accurate to a couple of seconds at the coordinates above. Altitudes are geometric — unrefracted, on the WGS 84 ellipsoid.
NEXT FROM SAN FRANCISCO
What else is coming here?
The rest of what the sky over San Francisco has coming, soonest first.