Sunrise · सूर्योदय
05:56
Local civil time, rounded to the minute.World Day Atlas · Tuesday
Perth
1981-02-17
Local astronomical calendar · Australia/Perth · -31.9520°, 115.8610°
Sunset · सूर्यास्त
19:05
Local civil time, rounded to the minute.Daylight
13 h 9 min
24-hour local civil day.Moon illumination
96.6%
Full-moon phase
Evaluated at the midpoint of this local civil day; phase angle 158.64°.Day reference
| Gregorian date | 1981-02-17, Tuesday |
|---|---|
| Local day begins, UTC | 1981-02-16T16:00:00.000Z |
| Local day ends, UTC | 1981-02-17T16:00:00.000Z |
| Location | Perth (-31.952, 115.861) |
| Calculation | Astronomy Engine 2.1.19; sea-level observer and standard refraction. |
Nepali calendar date
2037-11-06 BS
Gregorian 1981-02-17 corresponds to 2037-11-06 in the project calendar archive. This is a civil-date conversion, not a conversion of a local instant to Nepal time.
Month lengths are validated against the existing synchronized Patro archive.Moonrise and moonset
| Moonrise | 18:05 |
|---|---|
| Moonset | 03:59 |
| Moon distance at local-day midpoint | 384,821 km |
On this calendar date across history
Selected records for 02-17 across different historical years; these are not all events from 1981 or from Perth.
- 1991: Ryan International Airlines Flight 590 crashes during takeoff from Cleveland Hopkins International Airport, killing both pilots, the aircraft's only occupants. Source
Reused from Patro’s source-backed history archive. Wikipedia-derived records retain linked attribution; text is available under its applicable CC BY-SA terms. Explore history · Time Machine
Nepali calendar vocabulary
सूर्योदय = sunrise · सूर्यास्त = sunset · चन्द्रमा = Moon · मिति = date · पात्रो = calendar
Calendar dictionary · Nepali typing · Preeti / Unicode converter
Questions about Perth on 1981-02-17
What time is sunrise in Perth on 1981-02-17?
Calculated sunrise is 05:56 in Australia/Perth.
What time is sunset in Perth on 1981-02-17?
Calculated sunset is 19:05 in Australia/Perth.
What is the moon phase on 1981-02-17 in Perth?
Full-moon phase, with 96.6% illumination at the local-day midpoint.
What is 1981-02-17 in the Nepali calendar?
2037-11-06 BS, using Patro's project calendar table.
How much daylight is there in Perth on 1981-02-17?
The sunrise-to-sunset interval is 13 h 9 min.