Sunrise · सूर्योदय
07:03
Local civil time, rounded to the minute.World Day Atlas · Sunday
Chicago
1981-02-01
Local astronomical calendar · America/Chicago · 41.8780°, -87.6300°
Sunset · सूर्यास्त
17:06
Local civil time, rounded to the minute.Daylight
10 h 3 min
24-hour local civil day.Moon illumination
11.2%
Waning crescent
Evaluated at the midpoint of this local civil day; phase angle 321.10°.Day reference
| Gregorian date | 1981-02-01, Sunday |
|---|---|
| Local day begins, UTC | 1981-02-01T06:00:00.000Z |
| Local day ends, UTC | 1981-02-02T06:00:00.000Z |
| Location | Chicago (41.878, -87.63) |
| Calculation | Astronomy Engine 2.1.19; sea-level observer and standard refraction. |
Nepali calendar date
2037-10-19 BS
Gregorian 1981-02-01 corresponds to 2037-10-19 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 | 04:20 |
|---|---|
| Moonset | 14:06 |
| Moon distance at local-day midpoint | 390,541 km |
On this calendar date across history
Selected records for 02-01 across different historical years; these are not all events from 1981 or from Chicago.
- 1968: Vietnam War : The execution of Viet Cong officer Nguyễn Văn Lém by South Vietnamese National Police Chief Nguyễn Ngọc Loan is recorded on motion picture film, as well as in an iconic still photograph taken by Eddie Adams . 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 1981-02-01
What time is sunrise in Chicago on 1981-02-01?
Calculated sunrise is 07:03 in America/Chicago.
What time is sunset in Chicago on 1981-02-01?
Calculated sunset is 17:06 in America/Chicago.
What is the moon phase on 1981-02-01 in Chicago?
Waning crescent, with 11.2% illumination at the local-day midpoint.
What is 1981-02-01 in the Nepali calendar?
2037-10-19 BS, using Patro's project calendar table.
How much daylight is there in Chicago on 1981-02-01?
The sunrise-to-sunset interval is 10 h 3 min.