Sunrise · सूर्योदय
06:13
Local civil time, rounded to the minute.World Day Atlas · Saturday
Perth
1983-12-31
Local astronomical calendar · Australia/Perth · -31.9520°, 115.8610°
Sunset · सूर्यास्त
20:26
Local civil time, rounded to the minute.Daylight
14 h 13 min
24-hour local civil day.Moon illumination
9.6%
Waning crescent
Evaluated at the midpoint of this local civil day; phase angle 323.99°.Day reference
| Gregorian date | 1983-12-31, Saturday |
|---|---|
| Local day begins, UTC | 1983-12-30T15:00:00.000Z |
| Local day ends, UTC | 1983-12-31T15:00:00.000Z |
| Location | Perth (-31.952, 115.861) |
| Calculation | Astronomy Engine 2.1.19; sea-level observer and standard refraction. |
Nepali calendar date
2040-09-16 BS
Gregorian 1983-12-31 corresponds to 2040-09-16 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 | 03:41 |
|---|---|
| Moonset | 17:50 |
| Moon distance at local-day midpoint | 387,040 km |
On this calendar date across history
Selected records for 12-31 across different historical years; these are not all events from 1983 or from Perth.
- 1670: The expedition of John Narborough leaves Corral Bay, having surveyed the coast and lost four hostages to the Spanish. 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 1983-12-31
What time is sunrise in Perth on 1983-12-31?
Calculated sunrise is 06:13 in Australia/Perth.
What time is sunset in Perth on 1983-12-31?
Calculated sunset is 20:26 in Australia/Perth.
What is the moon phase on 1983-12-31 in Perth?
Waning crescent, with 9.6% illumination at the local-day midpoint.
What is 1983-12-31 in the Nepali calendar?
2040-09-16 BS, using Patro's project calendar table.
How much daylight is there in Perth on 1983-12-31?
The sunrise-to-sunset interval is 14 h 13 min.