Astronomical New Moon is on Friday, 19th May, 2023 at 4:54pm. On this day it cannot be seen anywhere in the world
The calculations for crescent visibility on Saturday, 20th May, 2023, for London are as follows:
Sunset 8:55pm
Moonset 10:29pm
Crescent age 26 hours 37 minutes
Time duration 1 hour 34 minutes
Crescent altitude 10° 12’
Crescent elongation 13° 30’
Sighting is possible on this day. Hence Sunday, 21st May, 2023, will be 1st Dhu al-qa’dah, 1444AH
For Mu’mineen who have selected to remain on the Taqleed of Marhum Ayatullah Al Khoei (RA) 1st Dhu al-qa’dah, 1444AH, will also be on Sunday, 21st May, 2023