Sunrise · सूर्योदय
06:13
Local civil time, rounded to the minute.World Day Atlas · Thursday
Perth
1981-09-17
Local astronomical calendar · Australia/Perth · -31.9520°, 115.8610°
Sunset · सूर्यास्त
18:09
Local civil time, rounded to the minute.Daylight
11 h 56 min
24-hour local civil day.Moon illumination
87.6%
Waning gibbous
Evaluated at the midpoint of this local civil day; phase angle 221.00°.Day reference
| Gregorian date | 1981-09-17, Thursday |
|---|---|
| Local day begins, UTC | 1981-09-16T16:00:00.000Z |
| Local day ends, UTC | 1981-09-17T16:00:00.000Z |
| Location | Perth (-31.952, 115.861) |
| Calculation | Astronomy Engine 2.1.19; sea-level observer and standard refraction. |
Nepali calendar date
2038-06-01 BS
Gregorian 1981-09-17 corresponds to 2038-06-01 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 | 21:39 |
|---|---|
| Moonset | 08:23 |
| Moon distance at local-day midpoint | 365,626 km |
On this calendar date across history
Selected records for 09-17 across different historical years; these are not all events from 1981 or from Perth.
- 1794: Flanders Campaign : France completes its conquest of the Austrian Netherlands at the Battle of Sprimont . 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 1981-09-17
What time is sunrise in Perth on 1981-09-17?
Calculated sunrise is 06:13 in Australia/Perth.
What time is sunset in Perth on 1981-09-17?
Calculated sunset is 18:09 in Australia/Perth.
What is the moon phase on 1981-09-17 in Perth?
Waning gibbous, with 87.6% illumination at the local-day midpoint.
What is 1981-09-17 in the Nepali calendar?
2038-06-01 BS, using Patro's project calendar table.
How much daylight is there in Perth on 1981-09-17?
The sunrise-to-sunset interval is 11 h 56 min.