Sunrise · सूर्योदय
05:54
Local civil time, rounded to the minute.World Day Atlas · Tuesday
Boston
1981-08-18
Local astronomical calendar · America/New_York · 42.3600°, -71.0590°
Sunset · सूर्यास्त
19:41
Local civil time, rounded to the minute.Daylight
13 h 46 min
24-hour local civil day.Moon illumination
89.3%
Waning gibbous
Evaluated at the midpoint of this local civil day; phase angle 218.01°.Day reference
| Gregorian date | 1981-08-18, Tuesday |
|---|---|
| Local day begins, UTC | 1981-08-18T04:00:00.000Z |
| Local day ends, UTC | 1981-08-19T04:00:00.000Z |
| Location | Boston (42.36, -71.059) |
| Calculation | Astronomy Engine 2.1.19; sea-level observer and standard refraction. |
Nepali calendar date
2038-05-02 BS
Gregorian 1981-08-18 corresponds to 2038-05-02 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 | 21:40 |
|---|---|
| Moonset | 08:58 |
| Moon distance at local-day midpoint | 372,713 km |
On this calendar date across history
Selected records for 08-18 across different historical years; these are not all events from 1981 or from Boston.
- 1945: Soviet-Japanese War : Battle of Shumshu : Soviet forces land at Takeda Beach on Shumshu Island and launch the Battle of Shumshu ; the Soviet Union ’s Invasion of the Kuril Islands commences. 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 Boston on 1981-08-18
What time is sunrise in Boston on 1981-08-18?
Calculated sunrise is 05:54 in America/New_York.
What time is sunset in Boston on 1981-08-18?
Calculated sunset is 19:41 in America/New_York.
What is the moon phase on 1981-08-18 in Boston?
Waning gibbous, with 89.3% illumination at the local-day midpoint.
What is 1981-08-18 in the Nepali calendar?
2038-05-02 BS, using Patro's project calendar table.
How much daylight is there in Boston on 1981-08-18?
The sunrise-to-sunset interval is 13 h 46 min.