Sunrise · सूर्योदय
05:40
Local civil time, rounded to the minute.World Day Atlas · Thursday
Riyadh
1997-09-18
Local astronomical calendar · Asia/Riyadh · 24.7140°, 46.6750°
Sunset · सूर्यास्त
17:54
Local civil time, rounded to the minute.Daylight
12 h 14 min
24-hour local civil day.Moon illumination
96.2%
Waning gibbous
Evaluated at the midpoint of this local civil day; phase angle 202.52°.Day reference
| Gregorian date | 1997-09-18, Thursday |
|---|---|
| Local day begins, UTC | 1997-09-17T21:00:00.000Z |
| Local day ends, UTC | 1997-09-18T21:00:00.000Z |
| Location | Riyadh (24.714, 46.675) |
| Calculation | Astronomy Engine 2.1.19; sea-level observer and standard refraction. |
Nepali calendar date
2054-06-02 BS
Gregorian 1997-09-18 corresponds to 2054-06-02 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 | 19:20 |
|---|---|
| Moonset | 07:10 |
| Moon distance at local-day midpoint | 359,872 km |
On this calendar date across history
Selected records for 09-18 across different historical years; these are not all events from 1997 or from Riyadh.
- 1048: Battle of Kapetron between a combined Byzantine-Georgian army and a Seljuq army. 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 Riyadh on 1997-09-18
What time is sunrise in Riyadh on 1997-09-18?
Calculated sunrise is 05:40 in Asia/Riyadh.
What time is sunset in Riyadh on 1997-09-18?
Calculated sunset is 17:54 in Asia/Riyadh.
What is the moon phase on 1997-09-18 in Riyadh?
Waning gibbous, with 96.2% illumination at the local-day midpoint.
What is 1997-09-18 in the Nepali calendar?
2054-06-02 BS, using Patro's project calendar table.
How much daylight is there in Riyadh on 1997-09-18?
The sunrise-to-sunset interval is 12 h 14 min.