The rationale for the crescent of the month of Ramadhan has been sent to His Eminence, Ayatullah Sistani (May Allah protect him ). The guidance received will inshallah be published on Thursday 23 April 2020 after Maghrib.
The Astronomical New Moon is on Thursday 23 April 2020, corresponding to 29th Shaaban 1441AH at 3.26 am. The calculations for London on this day are as follows
Sunset 8.13 pm
Moonset 8.36 pm
Crescent age 16 hours 47 minutes
Moon lag time 23 minutes
Crescent altitude 3.08 degrees
Crescent elongation 8.36 degrees
The crescent will not be visible on this day
Expect 1st Ramadhan 1441AH on Saturday 25 April 2020 in Europe.