Sunrise · सूर्योदय
05:06
Local civil time, rounded to the minute.World Day Atlas · Saturday
Chicago
1981-04-18
Local astronomical calendar · America/Chicago · 41.8780°, -87.6300°
Sunset · सूर्यास्त
18:35
Local civil time, rounded to the minute.Daylight
13 h 29 min
24-hour local civil day.Moon illumination
99.5%
Full-moon phase
Evaluated at the midpoint of this local civil day; phase angle 173.61°.Day reference
| Gregorian date | 1981-04-18, Saturday |
|---|---|
| Local day begins, UTC | 1981-04-18T06:00:00.000Z |
| Local day ends, UTC | 1981-04-19T06:00:00.000Z |
| Location | Chicago (41.878, -87.63) |
| Calculation | Astronomy Engine 2.1.19; sea-level observer and standard refraction. |
Nepali calendar date
2038-01-06 BS
Gregorian 1981-04-18 corresponds to 2038-01-06 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 | 18:02 |
|---|---|
| Moonset | 05:10 |
| Moon distance at local-day midpoint | 405,072 km |
On this calendar date across history
Selected records for 04-18 across different historical years; these are not all events from 1981 or from Chicago.
- 1847: American victory at the battle of Cerro Gordo opens the way for invasion of Mexico. 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 1981-04-18
What time is sunrise in Chicago on 1981-04-18?
Calculated sunrise is 05:06 in America/Chicago.
What time is sunset in Chicago on 1981-04-18?
Calculated sunset is 18:35 in America/Chicago.
What is the moon phase on 1981-04-18 in Chicago?
Full-moon phase, with 99.5% illumination at the local-day midpoint.
What is 1981-04-18 in the Nepali calendar?
2038-01-06 BS, using Patro's project calendar table.
How much daylight is there in Chicago on 1981-04-18?
The sunrise-to-sunset interval is 13 h 29 min.