Sunrise · सूर्योदय
06:53
Local civil time, rounded to the minute.World Day Atlas · Tuesday
Chicago
1981-02-10
Local astronomical calendar · America/Chicago · 41.8780°, -87.6300°
Sunset · सूर्यास्त
17:17
Local civil time, rounded to the minute.Daylight
10 h 25 min
24-hour local civil day.Moon illumination
38.8%
First-quarter phase
Evaluated at the midpoint of this local civil day; phase angle 76.90°.Day reference
| Gregorian date | 1981-02-10, Tuesday |
|---|---|
| Local day begins, UTC | 1981-02-10T06:00:00.000Z |
| Local day ends, UTC | 1981-02-11T06:00:00.000Z |
| Location | Chicago (41.878, -87.63) |
| Calculation | Astronomy Engine 2.1.19; sea-level observer and standard refraction. |
Nepali calendar date
2037-10-28 BS
Gregorian 1981-02-10 corresponds to 2037-10-28 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 | 10:25 |
|---|---|
| Moonset | No event on this local date |
| Moon distance at local-day midpoint | 369,397 km |
On this calendar date across history
Selected records for 02-10 across different historical years; these are not all events from 1981 or from Chicago.
- 1943: World War II : Attempting to completely lift the Siege of Leningrad, the Soviet Red Army engages German troops and Spanish volunteers in the Battle of Krasny Bor . 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 1981-02-10
What time is sunrise in Chicago on 1981-02-10?
Calculated sunrise is 06:53 in America/Chicago.
What time is sunset in Chicago on 1981-02-10?
Calculated sunset is 17:17 in America/Chicago.
What is the moon phase on 1981-02-10 in Chicago?
First-quarter phase, with 38.8% illumination at the local-day midpoint.
What is 1981-02-10 in the Nepali calendar?
2037-10-28 BS, using Patro's project calendar table.
How much daylight is there in Chicago on 1981-02-10?
The sunrise-to-sunset interval is 10 h 25 min.