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International Astronomical Center

ICOP

Visibility of Thu Al-Hejjah Crescent
(1419 AH)

Last Updated 26 March at 14:20 UT

In this page:-

When to Observe ?

The geocentric new Moon will occur on Wednesday 17 March 1999, at 18:48 UT. The program Moon Calculator by Dr. Monzur Ahmed -according to Ilyas' criterion- showed that the crescent will not be visible by naked eyes anywhere on 17 March . While on the next day Thursday 18 March, it should be visible by naked eyes some where starting from India. And so, countries west of this area will be able to see the crescent on this day. However, using telescopes, the crescent will be seen in more eastern areas. Thus, arrange for observing the crescent after the sunset of 18 March.

Results of seeing the crescent, and the first day of Thu Al-Hejjah in different countries will be added here as we receive the reports from ICOP's members. If you wish to be a member in ICOP, or to know more about it, kindly click here.

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When Will Al-Eid Be ?

If 1st Thu Al-Hejjah will be on Thursday 18 March 1999 (which is wrong !), then Al-Eid will be on Saturday 27 March 1999, while if 1st Thu Al-Hejjah will be on Friday 19 March 1999, then Al-Eid will be on Sunday 28 March 1999. Even though the crescent is impossible to be seen anywhere on 17 March, the Saudi calendar shows that 1st Thu Al-Hejjah will be on Thursday 18 March 1999, and so Al-Eid will be on Saturday 27 March 1999 !!

Saudi Official Announcement

The official Saudi broadcast said that according to several witnesses from different locations in the Saudi Arabia and according to Umm Al-Qurah Calendar , it is proven that the starting of Thu Al-Hejjah will be on Thursday 18 March 1999, and so Al-Eid will be on Saturday 27 March 1999. I wonder why was the announcement in this strange way ! The announcement didn't mention at all that the crescent was seen by these witnesses !! Knowing that the Moon set 15 minutes before the sunset as seen from Riyadh on Wednesday 17 March, and it didn't reach the conjunction yet at that time !!

The announcement is really puzzling, because we can't say that the crescent was seen, since the announcement didn't even mention the word "crecsent" ! On the other hand, we can't say that the crescent was not sighted, because there were witnesses ! But the announcement didn't mention what did the witnesses do !! Saudi ALWAYS used to say that the crescent was seen, even if the crescent was impossible to be seen. To compare, read the second below Saudi announcement (Ramadan 1419 AH) in which Saudi said that they saw the crescent on 18 December 1998. Knowing that on that day the crescent set before the sunset, and it didn't reach the conjunction from Saudi ! Why did Saudi change their USUAL announcement ! Anyway, I won't be surprised if they changed these dates later, as they did so many times previously (In Thu Al-Hejjah 1996 for example) ! Find below the official Saudi announcement, which can be also reached by visiting the daily Saudi official newspaper Al-Jazirah, at: http://www.al-jazirah.com/1999/mar/19/fr2.htm
The second below announcement can be also reached by visiting: http://www.suhuf.net.sa/1998/dec/19/P012.HTM

Observing the Crescent

No one saw the crescent on Wednesday 17 March 1999, since it was already impossible to be seen from anywhere nearly. While on Thursday 18 March 1999 the crescent was seen in: Iran, Saudi, Jordan, South Africa, Canada, and USA.

Thursday 18 March

Latest Results

So far, the earliest sighting of the crescent was on Thursday 18 March by Mr. Asadollah Mohammadi from Shiraz in Iran. He saw it at 18:35 local time (UT+3:30), which is 26 minutes after the sunset. At that time it was 3.5 degrees above the horizon, and its topocentric age was 19 hours and 32 minutes, while the geocentric age was 20 hours and 16 minutes.

The First Day in Different Countries

Unfortunately most countries follow Saudi in Thu Al-Hejjah. I don't see any Islamic nor logic reason to do so ! Having Al-Hajj in Saudi does not mean all countries must celebrate Al-Eid as Saudi. At least this was not being done at the Prophet Mohammad ASWS. They didn't even have telecommunication means to spread the news about seeing the crescent in Mecca, and so every area followed its own visibility. Anyway, following Saudi in Thu Al-Hejjah became just a habit, and actually a bad habit !

To be sure that we must not follow Saudi, kindly visit the below links:-

Nearly all countries started Thu Al-Hejjah on Thursday 18 March 1999. However, other countries didn't do so.

Friday 19 March:-

  1. South Africa
  2. Parts in India
  3. Morocco

Saturday 20 March:-

  1. Pakistan
  2. Parts in India

The Accuracy of The Astronomical Calculations

To know about the accuracy of the astronomical calculations, then please click here

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