Sunrise · सूर्योदय
07:11
Local civil time, rounded to the minute.World Day Atlas · Tuesday
Chicago
1981-12-15
Local astronomical calendar · America/Chicago · 41.8780°, -87.6300°
Sunset · सूर्यास्त
16:20
Local civil time, rounded to the minute.Daylight
9 h 9 min
24-hour local civil day.Moon illumination
75.3%
Waning gibbous
Evaluated at the midpoint of this local civil day; phase angle 239.72°.Day reference
| Gregorian date | 1981-12-15, Tuesday |
|---|---|
| Local day begins, UTC | 1981-12-15T06:00:00.000Z |
| Local day ends, UTC | 1981-12-16T06:00:00.000Z |
| Location | Chicago (41.878, -87.63) |
| Calculation | Astronomy Engine 2.1.19; sea-level observer and standard refraction. |
Nepali calendar date
2038-08-30 BS
Gregorian 1981-12-15 corresponds to 2038-08-30 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 | 21:26 |
|---|---|
| Moonset | 10:58 |
| Moon distance at local-day midpoint | 375,552 km |
On this calendar date across history
Selected records for 12-15 across different historical years; these are not all events from 1981 or from Chicago.
- 1546: The town of Ekenäs ( Finnish : Tammisaari ) is founded by King Gustav Vasa of Sweden . 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 Chicago on 1981-12-15
What time is sunrise in Chicago on 1981-12-15?
Calculated sunrise is 07:11 in America/Chicago.
What time is sunset in Chicago on 1981-12-15?
Calculated sunset is 16:20 in America/Chicago.
What is the moon phase on 1981-12-15 in Chicago?
Waning gibbous, with 75.3% illumination at the local-day midpoint.
What is 1981-12-15 in the Nepali calendar?
2038-08-30 BS, using Patro's project calendar table.
How much daylight is there in Chicago on 1981-12-15?
The sunrise-to-sunset interval is 9 h 9 min.