27 May 2025 – Dhul-Hijjah 1446:

Waxing Crescent Moon Visibility Timeline:

This table presents moon data at sunset, covering the period from conjunction to the day of the first crescent sighting. Actual observation data for the first sighting day are provided later on this page.

Parameter Value
After Conjunction 1st Evening
Date 27 May 2025, Tuesday
Age 16:43:38
Naked Eye Positive
Optical Aid Positive
DSLR Positive
Astro Camera Not Tried
Observer Juned Patel
Location Monchique, Portugal
Juned Patel JP4
Yallop B
Odeh B
Sunset 20:45:58
Moonset 21:47:41
Lag Time 01:01:42
Elongation 9.99°
Altitude 9.21°
DAZ 0.81°
Illumination 0.76%

🌒 27 May 2025 – Crescent Moon Visibility Report:

Parameter Optical Aid Naked Eyes
After Conjunction 1st Evening 1st Evening
Date 27 May 2025, Tuesday 27 May 2025, Tuesday
Moon Phase Waxing Crescent Waxing Crescent
Observer Juned Patel Juned Patel
Location Monchique, Portugal Monchique, Portugal
Above Sea Level (m) 888 888
Juned Patel JP4 JP4
Yallop B B
Odeh B B
Search Conducted 20:40 to 21:50 21:12 to 21:50
Sunset 20:45:58 20:45:58
Moonset 21:47:41 21:47:41
Observed Local 20:56 21:13
Observed UTC+0 19:56 20:13
Lag Time +00:10:00 +00:27:00
Age (G) 16:53:39 17:10:39
Age (T) 17:20:51 17:37:51
Illumination 0.77% 0.79%
Crescent Width 0.25′ 0.26′
Moon Alt 7.44° 4.64°
Sun Alt -2.58° -5.47°
ARCV 10.02° 10.11°
DAZ 1.04° 1.46°
Elongation 10.07° 10.22°
Moon Area Sky Clear Clear
Atmospheric Conditions Clear Clear
Total Witnesses 5/5 5/5
Reference JP0256 JP0258

1 Sunset, Sunrise, Moonset and Moonrise: These times are calculated based on standard atmospheric refraction, assuming a zero elevation difference between the observer and the local horizon.

2 Sun Alt and Moon Alt: The true altitude is used without being corrected for horizon angle..