Simwal Profile picture
Amateur Astronomer. Humanitarian. Member Islamic crescent observation Project & National moonsighting committee Nigeria.All views are mine
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24 May

Eid mubarak, May Allah (سُبْحَانَهُ وَتَعَالَىٰ) accept our worship ameen.

For years Ramadan begins or ends with some controversies about sighting of the crescent in Nigeria, in 2008 we had three different Eid days in Nigeria.
In 2009 NSCIA under the leadership of H.E the Sultan of Sokoto organized a National conference in Abuja to discuss the solution to moonsighting issues in Nigeria. Scholars, experts and academicians were invited from all over Nigeria. It was agreed that the NSCIA should have a
It was agreed that the NSCIA should have a National moonsighting commitee that will report monthly moonsighting reports to NSCIA and it was also agreed that the criteria should be in accordance to the sunnah of the Prophet (ﷺ) i.e use of naked eye sighting,
Read 27 tweets
8 Apr

As usual Ramadan is approaching and i have been receiving so many messages asking me why our lunar date is different from Saudi’s. I ll try my possible best to explain it in a very simple way inshaallah
Generally Saudi use their pre calculated Ummul Qura calendar for other months apart from Ramadan, Shawwal and sometimes Dhul Hijjah. In these months the rely on positive sighting of the crescent with naked eye and optical aid ( telescopes etc).
It’s important to mention that on my visit to Makkah clock tower astronomy center I was informed that Saudi has a round the clock lunar observation. The King Abdullah center for crescent observation operates a global network of 5 stations located in Saudi Arabia
Read 10 tweets
26 Mar
The Saudi Govt warned of the possibility of cancellation of this year’s Hajj because of the #coronavirus. If it happens it won’t be the first time Hajj was stopped, for different reasons ranging from plague, war, banditry etc
#islam #history
We pray Allah (سُبْحَانَهُ وَتَعَالَىٰ) bring an end to the Pandemic before the Hajj season ameen.
I will list some of the years and reasons Hajj was stopped in the past.
865 CE massacre at Arafat:
Corresponding to 251 AH:
Ismail bin Yusuf, known as Al-Safak, who led a rebellion against the Abbasid Caliphate, massacred pilgrims that gathered at the Arafat Mountain near Mecca, forcing the cancellation of the Hajj.
Read 11 tweets
31 Aug 19
Short #Thread

The Islamic calendar was introduced by Amirul mu’mineen Umar bin Al Khattab (رضي الله عنه) the second Caliph of Islam in 17AH/638 AD.
The reason for introduction of the calendar was because of conflicting, dating systems being used during that time period. One narration is, a case was referred to Amirul Mu’mineen ‘Umar (رضي الله عنه ) concerning a contract that one man had with another
saying that what he owed him became due in Sha‘baan.
Umar said; Which Sha‘baan? The Sha‘baan of this year we are in now or of last year or of next year?
Read 6 tweets
30 Jun 19
These days when Muslims give advise or denounce an unislamic act publicly done by a fellow Muslim, some Muslims will say “ who are you to judge them? only God can judge them” the Sahabas R.A when advised to fear Allah, will thank the person with tears in their eyes.
it is every muslims duty to speak the truth and accept that truth, even if it is against themselves.
"O you who believe! Stand out firmly for justice, as witnesses to Allah, even as against yourselves, or your parents, or your kin, and whether it be (against) rich or poor”
for Allah can best protect both. Follow not the lusts (of your hearts), lest you swerve, and if you distort (justice) or decline to do justice, verily Allah is well-acquainted with all that you do." [An-Nisa 4:135]
Read 19 tweets
19 Jun 19
The five daily prayers are an integral part of a Muslim’s life. In order to fulfill our religious obligation, it is important for all Muslims to
know the timings of all the daily prayers.
Praying Fajr, Zuhr and Maghrib prayers in the right time is not a problem in Nigeria, Asr & Isha are the two prayers that are mostly prayed before time in certain periods of the year.Zuhr & Maghrib are prayed on time because the times of “noon” and “sunset” are well defined.
The difficulty arises in determining the time for fajr (dawn) prayer. How do we define fajr in a scientific way? Moreover, how can we explain the difference between “false” dawn and
“true” dawn? I ll try to explains
how to determine Zawal (solar noon),
Read 36 tweets
14 Jun 19
I believe in naked eye sighting of the crescent in accordance to the sunnah of our beloved Prophet (ﷺ).The Prophet (ﷺ) said :
ﺻﻭﻣﻭﺍ ﻟﺮﺆﯾﺘﻪ ﻮ ﺍﻔﻄﺭﻮﺍ ﻟﺮﺆﯾﺘﻪ
Fast at its sighting, and break (end) the fast at its sighting. (Muslim)
ﻻ ﺘﺻﻭﻤﻭﺍ ﺤﺘﯽ ﺘﺭﻮﺍ ﺍﻟﻬﻼﻝ ﻮ ﻻ ﺘﻓﻃﺮﻮﺍ ﺤﺘﯽ ﺘﺭﻮﻩ
Do not fast until you sight the crescent and do not break (end) the fast until you sight it. (Buhari).

Some Islamic organizations internationally like Turkey, Fiqh council of North America (FCNA) ,
Read 45 tweets
6 Jun 19
Follow up on moon sighting claims in Nigeria:
As usual I always try to follow up on questionable sighting claims. On returning back to Nigeria yesterday , I called Mal Jaafar member of National moon sighting committee present at the palace in Sokoto on the 29th Ramadan.
Jaafar said, Damaturu sighting claim was reported by the Secretary Yobe Emirates moon sighting Committee.Jaafar called him to get details and phone numbers of the sighters but the secretary said he has none, and said the reports were reported by district heads without details.
Jaafar gave me the only phone number available for a sighting claim by Suleiman Lawal from Katsina , I called the number and he said his name is Umar Abdullahi, he went out to search for the crescent with Suleiman and 1 other person but it was only sighted by Suleiman Lawal
Read 13 tweets
4 Jun 19


Eid Mubarak

Later tonight the moon will be clearly visible and the usual debate on the size will start, some will claim it’s 2 days old and some 3 days old by mere looking at its size.
The moon will be about 32 hrs old tonight by sunset, it’s altitude will be about 16 degrees and it will set about 1hr 12mins after sunset in most locations in Nigeria. So technically 32hrs is 1.3 days, generally the crescent becomes visible after 20 hrs
It’s als worth mentioning that the verified world record for a naked eye sighting stands at 15 hrs and 32 mins by Steven O’Meara renowned visual astronomer in May 1990.

The moon was 5hrs 37mins old in Tumair Saudi Arabia when it was claimed that it was sighted by naked eye,
Read 24 tweets
2 Jun 19
The conjunction of Shawwal crescent (New Moon) will occur Inshallah on (Monday 03 June 2019) at 11:02 AM.
Sighting the new crescent on (Monday 03 June 2019) and (Tuesday 4 June 2019) is shown in the below graphs using the program Accurate Times by Mohammad Odeh
It is impossible to see the crescent from areas located under the red color. Because either the Moon on this day sets before Sunset and/or the conjunction occurs after Sunset.
The crescent is expected to be seen by optical aid only from the areas located under the blue color.
The crescent is expected to be seen by optical aid from areas located under magenta color. In these areas the crescent could be seen by naked eye if the atmospheric conditions are superb and the observer is experienced.
Read 5 tweets
1 Jun 19
I have received several calls and messages from people asking me my take on a video in circulation by Qamar Uddin from UK on when is Eid. Qamar Uddin and I are both members of ICOP Islamic crescent observation project
Conjunction of Shawwal crescent will occur on Monday 3rd June at 11:02am, by sunset same day the crescent will be about 6hrs old in Saudi and 8hrs old in Nigeria and the Moon’s altitude ll be less than 5 degrees making it impossible to sight the crescent both in Saudi and Nigeria
( a crescent can be seen with an optical aid from 12 hrs old and 18hrs old with naked eye). So based on the above information just like Qamar Uddin mentioned in his video, it’s impossible to sight the crescent on Monday and Ramadan should be 30 days, Eid should be on Wednesday
Read 7 tweets